Answer:
A year
A month
Explanation:
The motion of the earth at its orbits appears to move among it zodiac sign in the course of a year as the moon does the course over a month
If you were flying from London to Jakarta by a relatively straight-line route, in which of these cities would you be most likely to make a connecting flight?
Answer:
Given option
Delhi
capetown
Sydney
Mexico
Answer is Delhi
Explanation:
Aircraft enrout Jakarta from London usually stop in Delhi
In tropical regions the surface temperature of the oceans is high but decreases rapidly with depth between 300 and 1000 meters because ________.
Answer:
Sunlight cannot penetrate into the deeper oceanic zone
Explanation:
The oceans are extensively large bodies of water and are comprised of varying depth from place to place. The equatorial and the tropical region receives the maximum amount of sunlight as a result of which the ocean surface temperature rises significantly. So, the surface water up to a depth of about 200 to 300 meters below the sea level remains warm, as sunlight can easily penetrate in this zone.
But, at a depth more than about 300 meters to a depth of 1000 meters, this sunlight cannot penetrate and due to this reason the water in this zone remains cold enough. Thus, the temperature of the ocean water decreases with the increasing depth.
Continued movement of the continental crust on the west side of the San Andreas fault could result in which of the following features?
a. new oceanic crust
b. a coastal mountain range
c. an island
d. an oceanic island arc
Answer:
Option (C)
Explanation:
San Andreas is a prominent example of a transform fault, in which the plates namely the Pacific Plate and the North American plate slide past each other. The movement of the associated plates in this fault is in the right lateral, strike-slip. With the continuous and rapid movement of both the plates in its respective direction, the west side of the fault would get detached from the fault zone and lead to the formation of an island. The movement of the plates along this fault is responsible for the occurrence of shallow focus tremendous earthquakes.
Thus, the correct answer is option (C).
Kepler's first law states that the orbit of each planet is an ellipse with the Sun at one focus. Which of the following statements describe a characteristic of the solar system that is explained by Kepler's first law?A)The sun is located slightly off centered from the middle of each planet’s orbit.B)Earth is slightly closer to the sun on one side of its orbit than on the other side
Answer:
The complete option include
The sun is located slightly off center from the middle of each planets orbit
Inner planet orbits the sun at higher orbit than that of the outer planet
Earth is slightly closer to the earth on one side of its orbit than other side
All the planets orbit the sun in one plane
Venus orbits the sun faster than earth
Pluto moves faster when it is closer to the sun than when it farthest
Explanation:the correct answer are
The sun is located slightly off centre from the middle of each planet
Earth is closer to the sun on one side of its orbit than the other
If City A is located west of city B, the time for City A is L than that at City B because the earth rotates from when viewed from the North Pole. HINT: draw a diagram a. Earlier, east to west (i.e. clockwise) b. Earlier; west to east (i.ee. counterclockwise) c. Later, east to west (i.e. clockwise) d. Later, est to east (i.e.counterclockwise) e. A & B only
Answer:
b.- earlier; west to east.
Explanation:
Actually our planet, as the rest the planets in our Solar System (except Jupiter) they turn from east to west, that is, this is the way that our clockwise works.
That is the reason that the city A that is at the west of the city B, will have an hour earlier than the city B. (check the image as an example).
But if there is a person at the North Pole, it will seen the otherwise ( clockwise) because of the reference point, that is at the top of our planet.
Hope this info is useful.
Summed over the entire surface of the Earth, the rate of spreading at divergent boundaries is ________ lithospheric consumption at subduction zones.
Answer:
Equal
Explanation:
In a divergent plate boundary, two plates move away from one another and new materials are deposited along the center of this boundary, which is commonly known as the mid-oceanic ridge.
On the other hand, in a convergent plate boundary, two plates move towards each other, resulting in the formation of a subduction zone. The denser plate subducts below the less dense plate and melts at the asthenosphere layer. Here, the crust is consumed or destructed.
The total land areas on earth always remain conserved. This means that the portion of the crust that is destroyed in the convergent plate boundary is balanced by the portion of the newly formed crust that occurs along the mid-oceanic ridge in the divergent plate boundary. This is how the plate movement is responsible for the conservation of total landmass on earth.
Thus, the rate at which plates diverges is equal to the rate at which the plate converges.
The rate of spreading at divergent boundaries is equal to lithospheric consumption at subduction zones when considering the entire surface of the Earth.
The rate of spreading at divergent boundaries is equal to lithospheric consumption at subduction zones when considering the entire surface of the Earth.
Divergent boundaries are areas where tectonic plates move apart, resulting in the creation of new lithosphere through volcanic activity. In contrast, subduction zones occur when one tectonic plate is forced beneath another, leading to the consumption of lithospheric material.
As the Earth's surface is a closed system, the amount of lithosphere being created at divergent boundaries must be equal to the amount being consumed at subduction zones.
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Although ice particles in the upper atmosphere benefit Earth in that they reflect and absorb solar radiation, acting as a global thermostat and thus keeping Earth from either burning up or freezing over, they also accelerate the destruction of the ozone layer by reacting with chlorofluorocarbons (CFC's).A. acting as a global thermostat and thus keeping Earth from either burning up or freezing over, they also accelerateB. acting as a global thermostat and thus keeping Earth either from burning up or freezing over, while also acceleratingC. act as a global thermostat and thus keep Earth from either burning up or freezing over, while also acceleratingD. they act as a global thermostat that thus keeps Earth either from burning up or freezing over, even though it also acceleratesE. they act as a global thermostat to thus keep Earth from either burning up or freezing over, but they also accelerate
Answer:
Option (A)
Explanation:
The use of the word "although" is a subordinate conjunction that makes the whole first part of the sentence a subordinate clause.
The second part of the sentence provides an added role of the ice particles while the last part of the sentence gives the demerit of these ice particles. The whole sentence depends on the independent clause which is the last part of the sentence.
So, the form of the sentence is correct with the middle part adding an extra detail of the subject, while also completing the meaning of the whole sentence. The sentence needs no change.
Thus, the correct answer is option (A).
Which of the following statements about the state of Texas are true?
A- The discovery of oil at Spindletop was the beginning Texas as a significant oil-producing state
B- Most Texans are liberal in their political views
C- Environmental regulations have eliminated cotton and tile as valuable products in Texas
D- The State of Texas spends less on public services than most states.
Answer:
A. The discovery of oil at Spindletop was the beginning Texas as a significant oil-producing state
D. The State of Texas spends less on public services than most states.
Explanation:
Texas is a low-spending state. This is the direct result of low state government spending. Texas is 43rd on direct general spending per capita, for state and local government.
The structure on the south african coast has a range of 63 km is called
Answer:THE LIGHTHOUSE AT THE CAPE POINT.
Explanation:The lighthouse at the Cape point has a range of 63km,it is the MOST POWERFUL STRUCTURE, the cape point is usually called by the People as a CAPE OF GOOD HOPE.
Bartolomeu Dias,is the Portuguese explorer who discovered the cape point in the 15th century.
light flashes a beam with a 10million candle power three(3) times every 30seconds,it is open to Tourists planning to visit it, walk paths were developed to enable Tourist climbed up to the see it.
If you were to sail from the Southern Ocean to the Arctic Ocean along the 20-degree west longitude line, you would pass by all of these continents except __________.
A. North America
B. Africa
C. Asia
D. Europe
E. South America
Answer:
Asia
Explanation:
Southern Ocean is also known as the Antarctic Ocean extends from the coast of Antarctica north to 60 degrees south latitude. Countries bordering the Southern Ocean are: South Africa, Chile and Australia.
Arctic Ocean is the smallest and shallowest of all the world's ocean. Countries bordering the Arctic Ocean are: Russia, Norway, Iceland, Greenland, Canada and the United States.
Sailing from Southern Ocean to the Arctic Ocean along 20-degree west longitude line, all those continents must be passed except Asia.
Asia is at the right most corner of the world map, located at 34.0479° N, 100.6197° E.
If all eukaryotes suddenly died off, the Earth's carbon cycle would immediately collapse and cease to exist.True / False.
Answer:
The carbon cycle would die instantly
Explanation:
Since eukaryotes are everything in the carbon cycle. Eubacteria and archaebacteria don't actually do anything to help the carbon cycle flow.
Imagine that you live in a rural village in Southeast Asia and that you are
considering moving to the country's capital city. In the spaces below list
the push and pull factors that may contribute to your decision.
Push Urbanization
Pull Urbanization
Answer:
Push factors can be aspects within the villages that lead residents to leave, like not being landowners, work being centered primarily on agriculture, and natural population growth. Pull factors are attributes of the cities themselves like a greater variety of employment possibilities and better quality infrastructure.
Explanation:
There are a number of push factors that have shaped rural urban migration in Southeast Asia. These include issues like landlessness, land tenure, and an increase in the population. In countries like South Vietnam and Indonesia, violence in the countryside was one big push factor that started larger levels of migration to cities like Jakarta and Hanoi in the 1950s through the 1970s. Pull factors are what attracts migrants to the cities themselves like better access to education and healthcare. There is also more employment in a wider variety of industries.
The potential impact of global climate change on the lifestyle of those people and animals living in Alaska and Northern Canada include all of the following except________________.
Answer:
Decreased agricultural productivity due to changing climate
Explanation:
Decreased agricultural productivity due to changing climate is not a factor among the potential impact of climate change on the lifestyle of those people and animal living in Alaska and Northern Canada
Shifting cultivation is most commonly found in which climate region?
Shifting cultivation is mostly found in the tropical climate regions. It is a method of cultivation where farmers cut down and burn vegetation on a piece of land, cultivate it for a few years until its fertility diminishes, after which they move to a new area.
Explanation:The practice of shifting cultivation is most commonly found in the tropical climate regions. This form of cultivation, also known as slash-and-burn or Sweden agriculture, involves clearing a piece of land by cutting down and burning the vegetation. After a few years, when the fertility of this land declines, farmers move on to a new area and repeat the process. Many tropical regions such as parts of Asia, Africa, and South America are suitable for shifting cultivation due to their warm climate and high rainfall which leads to rapid regrowth of vegetation.
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Shifting cultivation is most commonly found in which climate region A. humid low-latitude
What is Shifting cultivationShifting cultivation is a traditional agricultural practice that has been practiced for centuries by indigenous communities. While it can be sustainable when practiced in small-scale, traditional settings, extensive or improper use of this technique can lead to deforestation, soil erosion, and environmental degradation, impacting local ecosystems and biodiversity.
In recent times, the expansion of agriculture and changes in land use have led to a decrease in shifting cultivation
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Label each phase of the Moon below. Choose from the following phases: waning gibbous, waxing crescent, third quarter, first quarter, waxing gibbous, waning crescent, full moon.
Answer:
As given below.
Explanation:
1. Waxing Cresent : The side of Moon is less than half lighted by the sun and is less than one quarter. This occurs when the moons light increases to the First phase.
2. First Quarter : Takes places as the moon gets lighted and it's increasing. The part of the moon is one part that is lit by the sun.
3. Waxing Gibbous : The gibbous refers to the phase where the moon is more than half-lit. The term waxing means to grow.
4. Full Moon : The phase when the whole disk gets lighted.
5. Waning Gibbous : The Waxing means the growth in light and the waning means decrease in light.
6. Third Quarter : This occurs when the moon's light is decreasing,.The moon is less than one part is half-lit by the sun but less than one quarter lit.
7. Waning Cresent : Occurs when the shape of the moon is nearly, but not completely, on a line with the Earth and Sun. A silver lining in the sky.
The meaning of the different phases of the moon can be explained as the different shapes of moon as visible on Earth and the position of moon as at such phase.
The phases of the moon and their labels are as explained in the paragraph as given below.
The labels of each phase of the moon are as given below.
Waxing Crescent - This is the stage before the start of the phase of First Quarter of the Moon.
Waxing Gibbous - It- It is the phase where the light of the moon visible is more than half.
Full Moon - This is the phase where the entire moon is visible from Earth.
First Quarter - This is the phase where one part of the Moon is lit with the help of the Sun.
Waning Crescent - The light of the moon during this phase is merely visible like a lining in the sky.
Third Quarter - This is the phase where the light of the moon starts to decline and keeps on decreasing with passage of days before No Moon Day.
Hence, the different phases of the Moon and their meanings are as mentioned above in the paragraph.
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Which two key properties of Earth’s spatial relationships are considered when creating a map projection?
Answer:
The size and the shape and the area.
Explanation:
The key properties of the earth that help in the creation of the spatial features that are needed to create a map projection are the respect to the shape and the size and the along with the area of the earth's surface features. That plays a crucial role in the formation of the projection as the distance, direction, and scale of the map are kept into consideration.Which of these would be indications that a given mountain range was NOT formed by subduction:
Check all that apply!!
A. It is not along an ocean coastline.
B. There are no volcanoes.
C. There a glacial caps.
D. There are deep valleys.
It is not along an ocean coastline. and there are no volcanoes. Hence options A and B are correct.
What are mountain ranges ?The mountain ranges are sorts of hill ranges that are arranged in a line form and are connected by the ground. They form a mountains system or a group of mountains and have been aligned at the same height at the same frequency nd speed. They have been firmed due to the result of the tectonic activity.
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The correct answer is option (b) because deep valleys are more characteristic of mountain ranges formed by other processes, such as erosion or the collision of continental plates.
Mountain ranges formed by subduction typically exhibit certain characteristics due to the nature of their formation process.
Subduction occurs when one tectonic plate moves under another, leading to the melting of the descending plate and the creation of magma that rises to the surface, often resulting in volcanic activity. Here's the logic behind the correct options:
B. There are no volcanoes: Volcanoes are a common feature in mountain ranges formed by subduction, as the rising magma can erupt at the surface to form volcanoes.
D. There are deep valleys: Mountain ranges formed by subduction tend to have a more jagged and steep topography, with less pronounced deep valleys.
The other options do not necessarily indicate that a mountain range was not formed by subduction:
A. It is not along an ocean coastline: While many subduction zones are found along ocean coastlines, this is not a strict requirement. Subduction can also occur in intra-oceanic settings or along continental margins that are not necessarily coastal.
C. There are glacial caps: The presence of glacial caps does not provide information about the origin of the mountain range. Glacial caps can form on any high mountain range, regardless of how it was formed.
Let's say Stella wants to observe a nighttime Mesoscale Convective Complex (MCC) using a nearby POES satellite. Which band from the AVHRR would she use?
Answer:band 4
Explanation:
Advanced Very-High-Resolution Radiometer (AVHRR) instrument is a space-borne sensor that measure the reflectance of the Earth in five spectral bands that are relatively wide by today's standards. AVHRR instruments are or have been carried by the
National Oceanic and Atmospheric Administration (NOAA) family of polar orbiting platforms (POES) and European MetOp satellites. The instrument scans several channels; two are centered on the red (0.6 micrometres) and near- infrared (0.9 micrometres) regions, a third one is located around 3.5 micrometres, and another two the thermal radiation emitted by the planet, around 11 and 12 micrometres.
This process transfers tremendous amounts of energy from Earth's surface to the atmosphere, from low latitudes to high ones, and it is also the mechanism most influential in causing precipitation.a. Latent heat exchange
b. Relative humidity
c. Absorption
d. Angle of incidence
e. Albedo
Answer:
e.Albedo
Explanation:
Albedo is the reflectance of solar energy from the earth’s surface. Albedo is said to determine the amount of shortwave radiation to be absorbed by surfaces. When initial absorption of shortwave radiation is limited, it impacts the longwave energy radiated by the earth’s surface, as well as energy availability for evapotranspiration and energy to be converted to sensible heat. Ice, barren land, and sand have higher albedo, which causes higher reflectance of shortwave radiation.
Which type of geologist studies the geology of airborne electromagnetics, gravity, magnetics, magnetotellurics, radiometrics, rock properties, and seismicity?
Answer: A Geophysicst studies all that.
Explanation:
A geophysicist is a type of geologist who studies various geophysical methods such as airborne electromagnetics, gravity, and seismic surveys to understand Earth's subsurface characteristics for scientific and resource exploration purposes. They also analyze data such as seismic amplitudes to deduce the impedance or 'hardness' of geological layers, aiding in identifying resources and geologic features.
Explanation:The type of geologist who studies the geology of airborne electromagnetics, gravity, magnetics, magnetotellurics, radiometrics, rock properties, and seismicity is known as a geophysicist. These geologists utilize exploration methods to interpret the Earth's subsurface characteristics, including the layers of the core, mantle, and crust. Through techniques like seismic surveys, geophysicists can create images of what lies beneath the surface by sending sound waves into the ground or ocean and recording how these waves reflect off various strata.
Different types of rocks and sediments will alter the waves' velocity, which are then recorded by geophones. These recordings, known as seismic amplitudes, allow geologists to analyze the impedance or 'hardness' of subsurface strata, aiding in identifying rock types, potential resources like water or petroleum, and geologic features.
The study of stratigraphy is crucial in providing data about Earth's history and can involve collecting sediment cores and conducting seismic surveys that are stored and analyzed to deduce geological properties. Repeated seismic surveys offer temporal insights into changes over time. The integration of knowledge from various geophysical methods enriches our comprehension of the Earth's geology for scientific and resource exploration purposes.
The chain of Hawaiian islands can be used to calculate the rate of movement of the Pacific Plate over the last few million years. The island of Hawaii currently sits on the hot spot and is therefore 0 million years old. The island of Kauai used to sit on the hot spot; it is approximately 5.1 million years old and is now approximately 473 km away from the hot spot, to the northwest. Given these parameters, what is the average rate of motion of the Pacific Plate in cm per year?
The average rate of motion of the Pacific Plate will be 9.27 cm per year.
From the information given, the following can be deduced:
Distance = 473 km = 47300000cmTime = 5.1 million years = 5100000 years.Therefore, the rate of plate movement will be:
= Distance / Time
= 47300000 / 5100000.
= 9.27cm/yr
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Using the age and distance from the Hawaiian hot spot of the island of Kauai, it's calculated that the average speed of movement for the Pacific Plate over the last 5.1 million years is approximately 9.27 cm/year.
Explanation:The islands formed by the Hawaiian hot spot allow us to calculate the speed of plate movement. The island of Kauai, which is 5.1 million years old, is now approximately 473 km away from the hot spot. If we consider that distance and time are related to speed, dividing the distance Kauai traveled (473,000m) by the time it took (5.1 million years) gives us an average speed of movement for the Pacific Plate. To convert this to centimeters per year, we find that the Pacific Plate has an average speed of approximately 9.27 cm/year.
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London, UK is on the Prime Meridian. Using the 90 degrees West longitude for Chicago, what is the time in London if Chicago's time is 8 AM?
Answer:
2:00 PM
Explanation:
London is 6 hours ahead of Chicago. So if the time in Chicago is 8:00 AM then it would be 2:00 PM.
London's time is 6 hours ahead of Chicago's time. So, when it's 8 am in Chicago, it's 2 pm in London.
Explanation:The time difference between Greenwich, England, also known as the Prime Meridian, and Chicago, USA, which is approximately 90 degrees west of Greenwich, primarily depends on the system of global time zones established to standardize time. For every 15 degrees of longitude, the time difference is about one hour, since there are 24 hours in a day and 360 degrees in a circle. Therefore, the 90 degrees west longitude of Chicago represents a time difference of six hours behind Greenwich. Hence, when it's 8 AM in Chicago, it should be 2 PM in London, assuming no effects of daylight saving.
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Based on their locations relative to land and water, which of the five cities in the Cities folder would likely have the greatest temperature range from the warmest to coldest months?
Answer:
A
Explanation:
The closeness of a city to either land or water will affect the temperature of the city. If a city is closer to water, its temperature will be lower. However, if the city is farther from water, its temperature will be higher. This in contrast to the closeness of a city to land. Therefore, it can be concluded that the city with the greatest temperature is city A.
A city's temperature range is affected by its proximity to large bodies of water. Inland cities, away from oceans or seas, tend to have greater temperature range due to faster heating and cooling of land versus water. An example would be comparing landlocked Denver to seaside Miami.
Explanation:In Geography, the temperature range of a city is affected by its location relative to land and water. Countries that are away from large bodies of water, like oceans or seas, are predicted to have a greater temperature range. This is due to the continental climate effect, where land heats and cools faster than water does. So a city located inland, away from the moderating influence of an ocean or sea, will likely experience the greatest temperature range between its warmest and coldest months.
A concrete example would be comparing a city like Denver, which is landlocked, to a city like Miami, which is near an ocean. Denver is likely to have a more significant temperature range throughout the year as compared to Miami. It’s because water bodies have a high relative heat capacity which helps to moderate temperatures of nearby land areas.
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Road surface changes due to: (a) ice, (b) rain, (c) snow, (d) oil and diesel fuel buildup, or (e) sand or dirt will reduce the traction of your tires. This does not affect the control of your vehicle.
Answer:
False
Explanation:
The changes on the surface of the road affects the tires of the vehicles and thus the car or the truck gets skidded on the ice and the snow and the presence of the sand and dust creates more friction that makes it hard to maneuver and thus this affects the control of your vehicles and oil and the diesel fuel get slippery due to the changes on the road and the rain also creates disturbance in the for the vehicles to move.Answer:
False
Explanation:
teacher approved
Imagine a scientist is studying a sedimentary rock formation that spans the three most recent geologic eras. Rock layers from each era are present in the rock formation. In what order, from top (closest to the surface) to bottom (deepest), should the scientist expect to find layers from each geologic era.
Answer:
Top- Cenozoic (youngest)
Medium- Mesozoic
Bottom- Palaeozoic (oldest)
Explanation:
The geological time scale is usually referred to as the ordered arrangement of major geological events that has taken place in the past. It is comprised of 3 distinct geological eras, namely the Palaeozoic, the Mesozoic and the Cenozoic.
Of these 3 eras, the oldest is the Palaeozoic (about 540 to 250 million years ago), followed by the Mesozoic (about 260 to 66 million years ago), and lastly is the Cenozoic (about 66 ,million years to present). All these 3 eras are characterized by the presence of fossil assemblages, that helped the geologists in constructing the geological time scale.
Answer:
Cenozoic
Mesozoic
Paleozoic
Explanation:
When layers of sedimentary rock are not disturbed by other geologic processes, the youngest layers are nearest to the surface, and the oldest layers are closest to the bottom.
According to the geologic time scale diagram, the current and most recent geologic era is the Cenozoic. The Mesozoic came before the Cenozoic, and the Paleozoic came before the Mesozoic.
So the scientist should find that the layers closest to the surface are from the Cenozoic. Layers farther down will be from the Mesozoic; layers ever farther down will be from the Paleozoic. This is shown below.
Which nation in Southwest Asia is considered economically advanced and fully developed?
A. Israel
B. Iran
C. Syria
D. Iraq
Will mark Brainliest if correct!
Answer:
A. Israel.
Explanation:
Israel is the only democracy of the Middle East, an economic powerhouse and a technology hub at the same time. It´s a modern country ruled by a parliamentary system. As a Jewish country, it´s culturally different from its Arabic neighbors.
Answer: Israel
Explanation:They have the best technolagy
How is the equator similar to the prime meridian? A. Both the equator and prime meridian are lines that divide Earth into the Northern and Southern hemispheres. B. Both the equator and the prime meridian are imaginary base lines from which locations of Earth can be measured. C. Both the equator and the prime meridians are symbols used in maps. D. Both the equator and the prime meridian show the actual sizes and shapes of continents.
Answer:
B. Both the equator and the prime meridian are imaginary base lines from which locations of Earth can be measured.
B. Both the equator and the prime meridian are imaginary base lines from which locations of Earth can be measured are similar to the prime meridian.
Geographers and cartographers organize locations on Earth using a series of imaginary lines that encircle the globe. The two primary lines are the equator and the prime meridian. These lines help form the systems of longitude and latitude, allowing users to locate themselves anywhere on the planet. The equator is the line of latitude that divides the Earth into the Northern and Southern Hemispheres and sits at 0 degrees latitude. The prime meridian, on the other hand, is the line of longitude that divides the Earth into the Eastern and Western Hemispheres and sits at 0 degrees longitude. Both lines are fundamental reference points used in geography to measure other locations on Earth, making them similar in function and purpose.Why should be the indication on the magnetic compass as you roll into a standard rate turn to the right from a south heading in the Northern Hemisphere?
Explanation:
C) Western expansion spread the US population over wider area.
The key word in that question is "range" of temperatures. When it's cold, it gets really cold and when it's hot, it gets really hot. In areas near large bodies of water, there is also water in the atmosphere, (know as "humidity").
There is a property of matter know as "specific heat". A substance with a high specific heat is hard to heat up but also hard to cool down. It is easier for a substance with a high specific heat to maintain a steady temperature. Water has a high specific heat. It is hard to heat it up and hard to cool it down So areas with a lot of water, including atmospheric humidity, are harder to get hot and harder to get cold. In areas where there is little humidity because they're far away from large bodies of water, it is easier to heat up the atmosphere and also easier to cool it off. So you have a larger range of temperatures. In the desert it is hot during the day and cold at night. In the rain forest, (where there is very high atmospheric humidity) it can be very hot during the day and stay hot at night.
Get it?
Answer:
Temperature difference occurring in various terrains is due to terrain construction.
Explanation:
As it is rule of nature that every material is different in physical and chemical properties to others. Sand has very high absorption capability of gases and heat. As the day shines desert get hot because sand consisting of various materials mostly glass and silicon reflects the light and due to which humidity level decreases and day become hot. In night there is no light so internal vibrational momentum of atoms comes on its original pace it means that their drift decreases so night is cold.
Forests on other hand face humidity and sunlight in the day and in night humidity level does not considerably decreases and heat gets trapped which is absorbed in the day.
How much of the Sun’s ultraviolet radiation reaches Earth’s surface?
1. some of the ultraviolet radiation
2. most of the ultraviolet radiation
3. almost all of the ultraviolet radiation
4. none of the ultraviolet radiation
5. little of the ultraviolet radiation
Answer:
Option (5)
Explanation:
The ultraviolet rays are found to be present in solar radiation and are allowed to be incident on the earth. These solar radiations are comprised of nearly 8% of UV rays. These UV rays are of three types, namely UV-A, UV-B and UV-C which are harmful to the living organisms on earth. Of all the three, the UV-B and UV-C are highly dangerous that can cause various skin diseases like cancer.
The presence of the ozone layer in the atmosphere acts like a blanket that does not allow these harmful UV radiations to enter into the atmosphere of the earth. The majority of the UV-A is able to reach the earth's surface, but they are not able to cause much harm. So, out of this 8% of total UV radiations, a little amount of it is successful in reaching the surface of the earth.
Thus, the correct answer is option (5).
Some of the Sun’s ultraviolet radiation reaches the Earth’s surface. This is mainly because the ozone layer within the Earth's atmosphere absorbs most of the harmful UV rays.
Explanation:In question of how much of the Sun’s ultraviolet radiation reaches the Earth’s surface, the correct answer is 'some' of the ultraviolet radiation. Earth’s atmosphere, specifically the ozone layer, serves to shield the surface from most of the Sun's harmful ultraviolet rays. Only about 10% of the Sun's UV rays manage to penetrate through the atmosphere. These are mainly UV-A type rays, as the more harmful UV-B and UV-C rays are largely absorbed by the ozone layer.
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