Answer:
1) Rhyolite 2) Andesite 3) Basalt 4) Peridotite
Explanation:
Mafic rocks are rocks rich in the heavier elements such as Magnesium and iron. They are usually dark in color. Common examples of Mafic rocks are Basalt and Gabro.
Felsic rocks on the other hand are rocks rich in the lighter elements such as Silicon, Aluminium and Potassium. They are lighter in color compared to mafic rocks. Felsic rocks are rich in minerals that are deficient in mafic rocks and vice versa. Examples of Felsic rocks are quartz, feldspars e.t.c.
The Moon formed when a protoplanet (a "baby" planet) slammed into Earth as it was still forming. Instead of forming a small Moon and large Earth, what if instead they formed two equally-sized objects that orbit each other. Since they would have the same mass and size (both smaller than Earth), what would you expect about how these two objects would cool?
Answer:Reduced revolution
Explanation:since revolution responsible for the varying effect of time and changes in the effect of the mid day sun, if they bother revolve the sun at reduced time rate, it will reduce the effect of the heat from the sun.
What process leads to deforestation and increased erosion?
A. mining
B. reforestation
C. urbanization
Both mining and urbanization lead to deforestation and increased erosion by removing vegetation that holds soil together and prevents erosion.
The process that leads to deforestation and increased erosion can be both A. mining and C. urbanization. When vast land areas are cleared for extraction of minerals (mining) or for the expansion of cities and infrastructure (urbanization), the vegetation which hold the soil together and help prevent erosion is removed. This favors the action of wind and water, which can carry away the top soil, leading to erosion.Learn more about Deforestation here:
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What city in france has the largest mardi gras celebration
Answer: New Orlands
Explanation:
Final answer:
Nice is the city in France with the largest Mardi Gras celebration, featuring parades and festivities.
Explanation:
The city in France known for having the largest Mardi Gras celebration is Nice. Nice's Mardi Gras celebration includes colorful parades, elaborate floats, and festivities that attract visitors from all over the world. Although not directly related to the nightlife of Parisian cabarets and theaters as mentioned in the reference from LibreTexts™, Mardi Gras in Nice shares the spirit of celebration and public revelry that characterized the social changes seen in Montmartre's nightlife.
A Sense of Proportion: Earth orbits 1 AU from the Sun, and the Oort Cloud extends from about 10,000 to 100,000 AU from the Sun. If you represent Earth's orbit around the Sun with a paper plate 4 inches in radius, how far away will the inner edge of the Oort Cloud be? How far away will the outer edge of the Oort Cloud be? Express your answers in miles.
Answer:
3.2 miles
Explanation:
If the Astronomical units is about 1 A.U which is = 1/2 plate then the diameter = 2 inches will be of 10,000 AU 2 X 10,000 = 20,000 inches. Thus the 20,000 A.U / 12 = 1,666 feet 1,666 / 5280 = /3 of a mile then the 10,000 AU 2 X 100,000 = 200,000 inches. 20,000 / 12 = 16,666 feet 16,666 / 5280 = 3.2 milesThey formed from the collision of the indian landmass with the asian continent.
Answer:
See explanations
Explanation:
The Indian Plate or India Plate is a major tectonic plate straddling the equator in the eastern hemisphere. Originally a part of the ancient continent of Gondwana, India broke away from the other fragments of Gondwana 100 million years ago and began moving north. Once fused with the adjacent Australia to form a single Indo-Australian Plate, recent studies suggest that India and Australia have been separate plates for at least 3 million years and likely longer.The Indian Plate includes most of South Asia—i.e. the Indian subcontinent—and a portion of the basin under the Indian Ocean, including parts of South China and western Indonesia, and extending up to but not including Ladakh, Kohistan and Balochistan.[
Prior to the arrival of Europeans to the new land, a population existed in North America. What are the appropriate terms for these original inhabitants? (Multiple choice, more than one answer!)
-Native Americans
-Natives
-Indigenous people
-First People
-Vikings
Answer:Indigenous people, for sure. It has certainly been popular with social justice groups. Native Americans has been a common one for a long time, and I don't see why Natives would be wrong. I've never heard first people anywhere in the land of politics, and vikings CERTAINLY is not the answer.
Explanation:
What did many museums in the United States do in 2008-2009 to bring the story of Pompeii to the world?
Answer:
Explanation:
What did many museums in the United States do in 2008-2009 to bring the story of Pompeii to the world?
The discovery of Pompeii has riveted modern society since its discovery in 1738.In order to bring the story of Pompeii to the world, in 2008-2009, many museums across the United States hosted a traveling exhibit asking visitors to imagine Pompeii as if it were a modern-day Malibu - home to the super wealthy. Over 150 artifacts from Pompeii were part of the exhibit and gave many people the opportunity to get a closer glimpse of a place most would otherwise only read about.
Located in the vast Atlantic Ocean, about seven miles off the coast of Venezuela, is a small but fertile island that had retained from the period of its first discovery the name of Trinidad, and though picturesque, has rarely been visited by Europeans until the sixteenth century.
A. is a small but fertile island that had retained from the period of its first discovery the name of Trinidad, and though picturesque, has rarely been
B. was the small but fertile island of Trinidad, which retained its name from the period when it had first been discovered, and though picturesque, it had rarely been
C. Trinidad is a small but fertile island that retains its name from the period of its first discovery, and though picturesque, has rarely been
D. is a small but fertile island, which has retained from the period of its first discovery the name of Trinidad, and though picturesque, had rarely been
E. the small but fertile island of Trinidad, retaining its name from the period of its first discovery, though picturesque, rarely
Answer:
D). Is a small but fertile island, which has retained from the period of its first discovery the name of Trinidad, and though picturesque, had rarely been
Explanation:
As per the question, option D correctly revises the underlined phrase 'is a small....been' as it follows the grammatical and syntactical structure adequately. The use of tenses is apt according to the context of the statement. The other options are incorrect as they are either grammatically or semantically wrong. The options A and C are incorrect as the use of 'past tense('had retained' in the first clause) deviates the meaning while option B involves an inappropriate sequence of tenses and option E contains a modifying error. Therefore, option D is the correct answer.
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Where two plates slide or grind past each other: A. they form a subduction zone and one plate sinks into the mantle B. they form a mid-ocean ridge C. they form a transform boundary D. they form a mountain range
Answer: C. They form a transform boundary.
Explanation:
A transform boundary is when two plates slide past each other.
Recall that one hour of right ascension is equal to 15 degrees. One minute of right ascension is equal to 0.25 degrees. During a full moon, the sun and the moon are 180 degrees apart from one another in the sky. How many hours of right ascension separate the sun and moon during a full moon?a) 180 hoursb) 24 hoursc) 12 hoursd) 165 hourse) 6 hoursf) 2 hoursg) 15 hours
Answer:
The right answer is option C
Explanation:
One hour of right ascension = 15 degrees
one minute of right ascension = 0.25 degrees
The sun and moon are 180 degrees apart.
We convert 180 degrees to hours by dividing by 15 degrees
180 / 15 = 12 hours
The right answer is option C
Geologists have divided the geologic time scale using evidence compiled using stratigraphy, which is the study of ________. Geologists have divided the geologic time scale using evidence compiled using stratigraphy, which is the study of ________. ancient cave drawings layers of igneous rock plate tectonics tree rings layers of sedimentary rock
Answer: layers of sedimentary rocks.
Explanation: Stratigraphy is an essential branch of geology which is based on the relative ordering or deposition sedimentary rocks into layers or strata and it's relationship to the geologic timescale ( a chronological dating techniques which relates geological layers to time or geologic age).
Stratigraphy could be base on lithological evidence, which relates geological time scale by physically accessing variation in types of rock layering or strata.
Biostratigraphy employs variation in the biological content of rock stratas such as fossils in other to determine the age of deposit.
This passage is describing what type of government?
A) autocratic
B) democratic
C) dictatorship
D) oligarchic
From 1948 to 1994, South Africa existed under a system of apartheid. Under this system, white South Africans- about 18% of the population- controlled all of the instruments of government: the Parliament, the Executive Branch, and the courts. Black and non-white South Africans had few legal rights and could not vote in elections. Voting was limited to white South African citizens.
Answer:
TRUST ME IT'S B
Explanation:
Final answer:
The passage describes an apartheid government in South Africa, which was oligarchic, as a small white minority controlled the government and denied rights to the majority population.
Explanation:
The passage is describing an apartheid government, which is characterized by institutionalized racial segregation and discrimination. From 1948 to 1994, South Africa was under such a system where the minority white population, about 18% of the citizenry, controlled all instruments of government and denied the majority black and non-white South Africans basic legal rights and the ability to vote. The type of government most closely associated with the apartheid regime in South Africa would be an oligarchic government, option (D), since it refers to a form of power structure where a small group of people have control over a country. Even though it is similar to an autocratic government, where a single person has unlimited power, the control in apartheid South Africa was exercised by the white minority as a group, fitting better with the definition of an oligarchy.
Which is not an abundant natural resource found in africa?
The natural resource that is found i africa that's not classified as a abundant resource is coal.
Answer:
dimonds
Explanation:
Till, Moraine and kettle are examples of a. glacial erosion c. glacial deposition b. types of glaciers d. valley glaciers Please select the best answer from the choices provided A
Answer:
Till, Moraine and kettle are example of glacial deposition.
Explanation:
Glacial deposition means the settling of sediments by the action of glacier.
For example,the formation of a new island takes place by glacier action that deposit sediment.
During this process,they take away debris,sand,soil,rock and other particles which get stuck with in ice that mainly travel through glaciers.
Moraine is formed by unconsolidated glacier debris which is formed on the earth through geomorphological process.
Till is formed by the mixture of sediment deposition which is mainly carried out by glacier.
Answer:
C) glacial deposition
Explanation:
Africa's longest mountain range was the result of the interaction of the Eurasian and Anatolian plates.
Question 2 options:
True
False
A Sense of Proportion: Earth orbits 1 AU from the Sun, and the Oort Cloud extends from about 10,000 to 100,000 AU from the Sun. If you represent Earth's orbit around the Sun with a paper plate 4 inches in radius, how far away will the inner edge of the Oort Cloud be? How far away will the outer edge of the Oort Cloud be? Express your answers in miles.
Answer: 6.313 miles
Explanation:
The distance is calculated by Simple Rule of Three:
[tex]x = \frac{100000 AU}{1 AU}\cdot 4 in \cdot (\frac{1 mi}{63360 in}) \\x = 6.313 mi[/tex]
A hominin (human family) skull was found in a shale layer between two fine-grained igneous rock layers. There were no baked zones on the rocks above the igneous layers. The skull had been 100% fossilized and changed to stone; there was no original skull material left. On the basis of this information, decide which of the following statements is true.
a. The skull should be dated by the carbon-14 method, since this is the method used for organic material older than 1 million years.
b. The igneous layers can be dated by radiometric methods; the shale layers cannot be dated radiometrically.
c. The skull itself cannot be dated, because it is no longer organic material and it is not igneous material. The age of the skull is determined by its position between the igneous layers.
d. The igneous layers must be lava flows, because they are fine-grained rock and there are no baked zones on the rock above them.
Answer:
a. The skull should be dated by the carbon-14 method, since this is the method used for organic material older than 1 million years.
Explanation:
The skull can be given an absolute age as it lies in a layer between the two sills. These igneous layers flow not the sills, as they have not baked by the sedimentary rocks that are found above and below them. The sedimentary rocks themselves cant be dated radio-metrically. Theses skull could be more than 100,000 years old as the genus of the homo has existed since then and now.The skull, now fossilized with no original organic material, can't be directly dated. The age is determined by dating the surrounding igneous rock layers.
Explanation:The correct statement is: "The skull itself cannot be dated, because it is no longer organic material and it is not igneous material. The age of the skull is determined by its position between the igneous layers." In geology, igneous layers can usually be radiometrically dated using the decay of radioactive isotopes. However, since the skull has been completely fossilized and there is no original organic material left, it cannot be dated using techniques like Carbon-14 dating. Therefore, the best estimation of the age of the fossil would be based on the dates established for the surrounding igneous layers.
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The capital of the eastern part of the roman empire was constantinople. What is the name of the that city today?
Istanbul. It's Istanbul, not Constantinople!
Why is there no delta at the mouth of the hudson river?
Answer: There is no delta at the mouth of the Hudson River because it has a short history of erosion, which means it does not have a delta as there is no sediment to be deposited.
"There is no delta at the mouth of the Hudson River primarily due to the geological history and the characteristics of the river's flow.
The Hudson River flows into the Atlantic Ocean through a drowned river valley, which is a result of the sea level rise that occurred at the end of the last glacial period. As the glaciers retreated, the global sea level rose, and the increased water volume flooded the lower valley of the Hudson, creating a long and relatively narrow estuary. The formation of a delta typically requires a few key conditions that are not met by the Hudson River: 1. Sediment Load: Deltas form where a river carries a significant amount of sediment that it can no longer transport when it reaches the slower-moving or still waters of a lake or ocean. 2. Mouth Geography: The mouth of the Hudson is influenced by the strong tidal currents of the Atlantic Ocean. 3. Tidal Influence: The Hudson River estuary is subject to a significant tidal range, which means that the water level at the river's mouth rises and falls substantially with the tides. 4. Glacial History: The last glacial period scoured out the river valley, leaving behind a U-shaped trough that is now the Hudson River's path. As the ice retreated and sea levels rose, the estuary was formed without the conditions necessary for a delta to develop.Volcanic eruptions affect many populated areas. Which pieces of evidence would a geologists use to predict future eruptions?
Answer:
Geologist can use the following pieces of evidence in predicting future eruption;
1)Frequency of localize Earthquakes.
2)Gas Emissions.
3)Remote monitoring.
4)History of Volcanic Activity
Explanation:
Frequency of Localize Earthquakes:Geologists use seismographs that record the length and strength of each earthquake to try to determine if an eruption is imminent.
Gas emissions:Gases may be able to escape a volcano before magma reaches the surface. Geologists measure gas emissions in vents on or around the volcano.The amounts of gases and their ratios are calculated to help predict eruptions.
Remote Monitoring:Some gases can be monitored using satellite technology. Satellites also monitor temperature readings and deformation. As technology improves, Geologist are better able to detect changes in a volcano accurately and safely.
History of Volcanic Activity:A volcano’s history, how long since its last eruption and the time span between its previous eruptions, is a good first step to predicting eruptions.
The five permanent members of the powerful United Nations Security Council are
A) United States, France, Russia, China, and United Kingdom.
B) United States, France, Russia, China, and Canada.
C) United States, France, Russia, India, and United Kingdom.
D) United States, Germany, Russia, China, and United Kingdom.
Answer:
A) United States, France, Russia, China and United Kingdom
Answer:
A
Explanation:
The permanent members of the United Nations Security Council (also known as the Permanent Five, Big Five, or P5) are the five states which the UN Charter of 1945 grants a permanent seat on the UN Security Council (UNSC): China, France, Russia (formerly the Soviet Union), the United Kingdom, and the United States.
In Ptolemy's description of the solar system, a(n) _____ is a small circle around which a planet moves while the center of this circle follows a larger path around Earth.
Most cities do not benefit from the free ecosystem services provided by ____, including air purification, generation of oxygen, removal of atmospheric carbon dioxide, control of soil erosion, and the provision of habitat for wildlife. Group of answer choices
Answer:
Trees and Plants
Explanation:
Trees and plants in our communities are responsible for the maintenance of our ecosystem. There activities include carbon sequestration ( Plants remove carbon from the atmosphere and fix it in their tissues), generation of oxygen (they generate oxygen as a by-product when photosynthesis occurs), control of soil erosion ( it is well known that plants and trees help in erosion control. in fact places with trees and good vegetation cover rarely suffer the effects of erosion) and habitat provision for wildlife (countless species make the trees and plants their abode or habitat i.e where they live).
This shows how important plants and trees are to our ecosystem.
Forests provide essential ecosystem services such as oxygen production, carbon sequestration, pollution removal, climate and flood regulation, and habitats for wildlife, which most cities lack. These services are vital for environmental health and human well-being, including the cultural and aesthetic value that forests add to our lives.
Most cities do not benefit from the free ecosystem services provided by forests, including air purification, generation of oxygen, removal of atmospheric carbon dioxide, control of soil erosion, and the provision of habitat for wildlife.
Forests play a critical role in providing services such as oxygen production and carbon sequestration, pollution removal from air, soil, and water, flood control, and groundwater and stormwater management.
Additionally, they assist in surface shading and cooling of air temperature by evapotranspiration, and serve as a wildlife and pollinator habitat, creating green spaces for human well-being.
Forests are essential for maintaining nutrient cycling, soil formation, and primary production, which are crucial for agriculture and food security.
Moreover, they contribute to climate regulation and protect against environmental hazards such as floods. Finally, forests offer cultural, recreational, and aesthetic benefits, serving as inspiration for artists and providing relaxation spaces for people.
What was the Ptolemaic model? What was the Ptolemaic model? the Earth-centered model of the cosmos in which Earth was surrounded by seven perfect spheres, one each for the Sun, Moon, Mercury, Venus, Mars, Jupiter, and Saturn an Earth-centered model of planetary motion published by Ptolemy the first scientific model to successfully predict solar and lunar eclipses a Sun-centered model of planetary motion published by Ptolemy
Answer:ptolemaic model is a geocentric model which position that Earth is the nucleus of the universe.
Explanation:ptolemy in his ptolemaic model was able to prove that the planets ,sun and the stars all revolve around the Earth and also undergo rotational movement around their own orbit.so planets revolve around their orbit and also around the bigger orbit of the earth .this put pay to the age-long controversy about the nature of planetary motion of the earth,sun and other stars,the eclipse and even how day and night evolves.
Are modern Borders similar to the borders arbitrarily drawn by the Europeans in berlin from an Africa map in the 1914's?
Answer:
Yes, They are similar.
Explanation:
While Europeans in Berlin in 1914 did make arbitrary maps, they are similar to modern maps today.
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Modern borders are influenced by a range of historical events and factors, while the Berlin Conference borders often ignored ethnic and political realities, contributing to ongoing conflicts.
Explanation:While current political borders do share similarities with the borders established during the Berlin Conference, they also reflect the dynamic changes that occurred throughout the 20th century. Earlier European borders, including those drawn by the Berlin Conference, often disregarded ethnic and political realities, contributing to continued conflict and complexity in European and African nations. In contrast, modern border definitions have been influenced by a multitude of factors, including historical allegiances, wars, and post-war treaties such as the Potsdam Conference, though remnants of colonialism persist in the form of 'phantom borders' that continue to influence current geopolitical and social landscapes.
Refraction of this kind of wave results in two shadow zone Squeezes and pulls rocks in same direction as the wave travels Is refracted by Earth’s core Does not pass through Earth’s interior at all Does not pass through Earth’s liquid outer core 1. surface wave 2. P-wave 3. S-wave
Answer:
2. P-wave
Explanation:
The p-waves pass through the mantel and the core and are slowed and are refracted by the mantle/core boundary forming at a depth of about 2900 km, the P wave are those that result of the two shadow zones that squeeze and pulls the rocks in the same direction as the waves travel and is refracted by the earth core.Answer:
it is 3...
Explanation:
Peyer patches are large accumulations of malt located only in the
Answer:
Small intestine
Explanation:
The Peyer patches are usually referred to as those smaller masses of lymphatic tissues and are abundantly present throughout the area of ileum of the small intestine. It plays an important role by protecting the intestine from the various types of bacterial infections, thereby improving the immunity system of the body. They are commonly considered as the aggregated lymphoid nodules.
Thus, these are the large accumulation of malts in the small intestine.
Following First quarter, the amount of light an observer sees gradually increases from evening to evening for about a week until Full Moon. We call these phases, waxing ________ phases.
Answer:
Waxing gibbous phase
Explanation:
When a moon during direct sunlight appears only one half, it is called a waxing gibbous moon. When the moon starts to appear more and more until it is fully seen as a whole, this process is called waxing gibbous phase, because the moon is "waxing" away.
Which of the following best describes an environmental problem that is often linked to the process of fracking?
Fracking operations require large tracts of land, which degrades habitat and harms wildlife.Fracking can increase stream flow and water volume, disrupting fish migration pathways.Wastewater from fracking operations is injected into porous rock formations, which can induce seismic activity.Excessive nutrients, such as nitrogen and phosphorus, run off the land near fracking sites, which can lead to large algal blooms in nearby waterways.
Answer:
Wastewater from fracking operations is injected into porous rock formations, which can induce seismic activity.
Explanation:
The environmental concerns of the fracking can be linked to the increase of the potential for the oil spills that harm the coil and the surrounding vegetation and can cause the earthquakes due to the high pressure that is used to extract the oil and the gas from the rocks and storage of the excessive wastewater on site.Fracking often leads to environmental issues such as induced seismic activity from wastewater injection, and potential groundwater contamination due to handling and spillage of fracturing fluid.
One environmental problem that is often linked to the process of fracking is the potential for induced seismic activity due to the injection of wastewater into porous rock formations. Fracking operations involve the use of high-pressure fluids to fracture shale formations in order to extract oil and gas. However, this process requires enormous amounts of water mixed with various chemicals, which can result in contaminated water that when improperly disposed, can lead to seismic disturbances as well as potential groundwater contamination.
Additionally, the fracturing fluid contains potentially hazardous chemicals that may seep into groundwater supplies, posing serious risks to human and environmental health. The improper handling of the wastewater produced can lead to spillage and leakages, adversely affecting surrounding ecosystems and potentially leading to the aforementioned seismic events.
Which term refers to a fast graceful sailing vessel of american design that cut travel time between the east coast and california?
Answer:
the Clipper Ship
Explanation:
A clipper was a type of mid-19th-century merchantsailing ship, designed for speed. Developed from a type of schooner known as Baltimore clippers, clipper ships had three masts and a square rig. They were generally narrow for their length, small by later 19th century standards, could carry limited bulk freight, and had a large total sail area. Clipper ships were mostly constructed in British and American shipyards, though France, Brazil, the Netherlands and other nations also produced some. Clippers sailed all over the world, primarily on the trade routes between the United Kingdom and China, in transatlantic trade, and on the New York-to-San Francisco route around Cape Horn during the California Gold Rush. Dutch clippers were built beginning in the 1850s for the tea trade and passenger service to Java.[
Answer:
clipper ship
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