An electromagnetic wave carries energy through space, can travel through both a vacuum and matter, and includes forms like microwaves and visible light that move at the speed of light.
A wave carries energy through space. Specifically, an electromagnetic wave is capable of transmitting energy across space without the need for a medium. Unlike mechanical waves, which require a substance to travel through, electromagnetic waves can move through the vacuum of space and matter, continuing to carry energy away from their source.
Electromagnetic waves are a self-propagating transverse oscillating wave of electric and magnetic fields. This means that they can transport energy, momentum, and angular momentum, interacting with matter and sometimes even imparting energy via work.
Electromagnetic radiation encompasses a wide range of forms, such as microwaves, visible light, and gamma rays, all of which travel at the universal constant speed of light in a vacuum, approximately 3.00 imes 10^8 meters per second. The ability to transport energy through space makes electromagnetic waves fundamentally important in our daily lives, from the use of microwaves to heat food to the transmission of information across vast distances.
What factors contribute to the great variety of climate zones in Latin American
A Savanna is likely to be found in _____
A savanna is more likely to be found in a dry climate. In this case, the answer is tropical climate.
The correct answer is - tropical climate.
The savanna is a vast grassland where the trees and shrubs are relatively rare. It is a semi-arid region. For most of the year, the savanna is dominated by the yellowish color because it is dry, and only in one short period of the year it gets rain, a large amount of it, but it is for the whole year, and in this period it shortly turns to a green grassland.
It is located in close proximity to the Equator, and it is part of the group of the tropical climates. The biggest portion of the savanna's can be found on the soil of Africa, lying between the tropical rainforests and the deserts.
How can limestone deposits be used to learn about earth’s history?
Answer:
Limestone is made of compacted dead organisms, generally from the deep sea. From this, we can gather insight regarding organisms living in oceans from thousands and millions of years ago.
Explanation:
Energy must be transformed in ecosystems because _______.
a.
energy cannot be created or destroyed
b.
an organism’s energy must go somewhere
c.
an organism’s energy must come from somewhere
d.
all of the above
What imaginary line is located at 0° longitude?
Equator
North Pole
Prime Meridian
South Pole
What do you call the pieces of rock and debris that are carried within lava and propelled through the air during an eruption?
During volcanic eruptions, the pieces of rock and debris propelled through the air are known as tephra and ash. Tephra includes larger particles, while ash comprises finer fragments that can travel long distances and cause a variety of issues.
Explanation:The pieces of rock and debris that are carried within lava and propelled through the air during an eruption are known as tephra and ash. Tephra refers to the ejected rock materials of various sizes, where the larger blocks, known as bombs, can pose significant hazards due to their size and proximity to the vent. Ash, on the other hand, consists of much finer fragments, less than 2mm in diameter, and can be carried long distances away from the vent, causing issues such as building collapses and respiratory problems. Hot ash can also disrupt services like airline transportation far from the eruption site, as demonstrated in the disruption caused by the Eyjafjallajökull volcano in 2010, which resulted in a significant air travel disruption in northern Europe. Both tephra and ash are critical in understanding the hazards posed by volcanic eruptions.
Which country was the first to usher in democracy?
Which climate zone is often found closest to the equator, experiences warm to hot weather all year, and has no dry season?
Subarctic
Tropical Humid
Mediterranean
Humid Continental
What is latitude and longitude?
Which of the following is true about rock paintings from europe, southern africa, and australia?
A. They were used as decoration in caves and rock shelters.
B. They were made using tube oil.
C. The animals in them have unnatural poses.
D. They may have been used to guarantee a success hunt.
Sinkholes are features found in certain parts of the world. Which is the cause of sinkhole formation? A. meteorites impacting the surface of Earth B. igneous rocks cracking due to tectonic uplift C. sedimentary rocks being exposed to acidic water D. metamorphic rocks being exposed to compressive forces
Tallest mountain in the world
Mount Everest is the tallest mountain in the world.
Mount Everest is 29,035 ft ( 8,850 ) meters tall.
What is fair trade/ what is its goal?
Why are the crystals of intrusive igneous rock typically larger than those of extrusive igenous rock?
a. because the magma cools very quickly
b. because the magma cools much slower
c. because of a higher water content in the magma
d. because the temperatures of the magma are much lower
Intrusive igneous rock usually have larger crystals than extrusive igneous rock because b. because the magma cools much slower.
There are two types of igneous rock:
Extrusive igneous rock - this forms after magma erupts to the surface and cools very quickly Intrusive igneous rock - this forms under the Earth's surface and so cools very slowly as temperatures underground are higherThe slow cooling time of the intrusive igneous rocks ensures that the crystals they form are much larger than those formed by the extrusive rocks which cooled too fast.
In conclusion, the magma cooling much slower under the surface leads to intrusive igneous rocks having large crystals.
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Scientists performed many experiments on the Challenger. These experiments did NOT include
deep sea trawling
bottom sampling
water analysis
sonar soundings
The Challenger did not perform deep sea trawling; other methods such as bottom sampling, water analysis, and sonar soundings were likely part of its experiments.
Explanation:The Challenger experiments involved numerous scientific studies related to marine biology and oceanography, but based on the context provided, it seems that deep sea trawling was not one of the experiments performed during its missions. The Challenger's research might have covered aspects like bottom sampling, water analysis, and sonar soundings to understand the marine ecosystem better. These methods are routinely used to explore aquatic environments without causing significant harm to the habitat, as well as studying the spread of species via ballast water, the biology of deep-sea organisms, and the chemical properties of different environments, such as the soils on Mars.
Which of the following could help prevent flood waters from running off too quickly and causing further soil erosion?
Options:
1.Clearly marking the entire area with signs warming of potential flood damage.
2.Planting trees throughout a flood zone
3.Trees and other vegetation could be uprooted,allowing the water to fill in the voids.
4.Erosion is not a result of flooding
a narrow strip of land surrounded with water on 3 sides is called?
The most common renewable energy resources used in the nordic nations are hydroelectric and?
Answer:
I put that answer and it was wrong
Explanation:
the right answers are geothermal and hydroelectric
Crete was the crossroads that linked what three cultures?
Africa, Asia, and Europe,
The primary difference between direct rule and indirect rule is: A. Under direct rule, a colonial government is established with little input from local populations, and under indirect rule, the existing native government and local population is utilized to maintain control. B. Under indirect rule, a colonial government is established with little input from local populations, and under direct rule, the existing native government and local population is utilized to maintain control. C. Under both direct and indirect rule, a colonial government is established with little input or participation from local populations. D. Under both direct and indirect rule, the existing native government local population is utilized to maintain control.
Answer:
Answer is A
Explanation:
I know it's late I just wanna keep my streak up sorry
The most abundant type of rocks on earth are classified asa. igneous.
b. metamorphic.
c. sedimentary.
d. slate.
What problem did the invention solve? ancient china kites?
Final answer:
Ancient China kites solved the problem of communication over long distances and provided military advantages.
Explanation:
The invention of kites in ancient China solved the problem of communication over long distances and provided military advantages. Kites were used as signaling devices to send messages between troops and to measure distances. Additionally, kites were used for military purposes, such as lifting soldiers or spies over enemy walls. Overall, kites played a significant role in ancient China's military and communication strategies.
Speaking in broader terms, the innovations of Han China, including the kite, were instrumental in setting in motion ideas that would much later contribute to mass production techniques.
What is the capitol of sri lanka?
An archaeologist studies _____.
a.the origins of words
b.the lives of early humans by examining artifacts
c.the earth, rock forms, and strata
d.early human culture and development compared to the present day
A social condition in which men and women are treated unequally and do not have the same opportunities and restrictions is known as __________.
A.racism
B.commodity
C.overpopulation
D.gender inequality
Answer:
D.gender inequality
Explanation:
Gender inequality is a social and cultural phenomenon where gender discrimination occurs, primarily between men and women. Moreover, it is not an innocuous phenomenon, as its impact can be noticed in different planes: labor, social, family, etc.
At the social level, for example, a woman may appear subordinate to her husband or father. At the economic level, women continue to receive lower wages than men in the same job (wage gap). Housekeeping or childcare are still seen as tasks linked to women rather than men. So we could go on completing a long list.
Faced with it, feminism or the gender perspective allows us to look at the world from another point of view. However, changing our perspective can cause discomfort or discomfort. That is why the purpose of these lines is to sharpen our eyes so that we can relate to the world in a fairer way.
the geographic grid consists of two sets of lines; ______ and _____
a.) physical; human
b.) local; regional
c.) latitude; longitude
d.) large scale; small scale
Most peoples of sub-Saharan Africa speak a language that is part of which family?
A)
Bantu
B)
Swahili
C)
Ashanti
D)
Egyptian
Those who reside in sub-Saharan Africa are mostly Bantu speakers. These cultural groupings share comparable traditions, and there are few linguistic differences between them.
Who are Bantu people?There are about 400 different ethnic groups that make up the Bantu people, sometimes known as the Bantu, and they all speak Bantu languages. They originate from 24 different nations that cover a huge territory extending from Central Africa to Southeast Africa and Southern Africa.
The number of Bantu languages is in the hundreds. Between 440 and 680 different languages are thought to exist, depending on how you define a "language" or "dialect." The total number of speakers is in the hundreds of millions, with an estimate of 350 million in the middle of the decade (or around 30% of Africa's population or about 5% of the world's population).
There are about 200 ethnic or tribal groupings and about 60 million speakers in the Democratic Republic of the Congo alone as of 2015.
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What causes Europe's mild climate?
a) Proximity to the Mediterranean
b) Gulf Stream winds
c) Lack of precipitation
d) The Alps mountain barrier
Answer:
b) Gulf Stream winds
Explanation:
The Gulf Stream wind is a powerful ocean current that joins the Atlantic Ocean with warm water from the Gulf of Mexico. This reaches all the way up the United States to Canada's eastern coast. A large system of circular currents and strong winds called an oceanic gyre, causes the Gulf Stream. Earth has five oceanic gyres. The Gulf Stream is part of the Subtropical Gyre in the North Atlantic.
Answer:
gulf stream winds
Explanation:
i just took the k12 test
Which of the following is not a major city in the United States? A. Los Angeles B. New York City C. Boston D. Scottsdale
Answer:
d
Explanation:
What is the likelihood that black holes exist in our galaxy?
Answer:
Presence of gravitational collapses and ripples, electromagnetic radiation.
Explanation:
A black hole is a region of the space that shows the gravitational acceleration and thus nor even light can escape it. As predicted by the theory of general relativity the black hole acts as a black body and is formed by the stellar mass of the massive stars and develops by absorbing mass around it.The existence of black holes in our galaxy, including a supermassive black hole at the center of the Milky Way, is highly likely based on astronomical observations and measurements of stars' orbits around a massive, invisible object.
Explanation:The likelihood that black holes exist in our galaxy is extremely high. Observations conducted by various astronomical teams, using powerful telescopes like the Hubble Space Telescope and ground-based observatories, have provided compelling evidence of a supermassive black hole at the center of the Milky Way. This evidence comes from tracking the orbits of stars near the galactic center, indicating they are gravitating around a massive, invisible object with a mass estimated at approximately 4 million solar masses. This region, despite its massive gravity, emits no light that we can directly see, suggesting the presence of a black hole with properties consistent with those predicted by physics.
Moreover, researchers have found that most galaxies harbor black holes at their centers, indicating that black holes are a common component of galactic structure. The correlation between a black hole's mass and its host galaxy's properties suggests a significant relationship between the growth of black holes and their galaxies. Not only are supermassive black holes found at the centers of galaxies, but recent X-ray observations also suggest the existence of intermediate-mass black holes within crowded regions of space, like globular clusters.
The black hole located at the core of the Milky Way is referred to as a supermassive black hole because it contains a mass equivalent to millions of suns. Its existence is affirmed by the behavior of stars orbiting an invisible object and by the lack of any other plausible explanation for the observed gravitational effects. While we cannot see them directly due to light absorption by interstellar dust and their nature of not emitting light, black holes can nonetheless be detected through their immense gravitational influence on nearby objects.