Weathering and Soil — Unit test Answers
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21
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When a volcano erupts, particles of rock and ash are released into the atmosphere. After this, water droplets form around the rock and ash particles and fall to Earth as rain. The rainwater helps plants grow.In this scenario, which spheres of Earth interact?
A
biosphere, cryosphere, hemisphereB
cryosphere, geosphere, biosphereC
geosphere, hydrosphere, biosphereD
hydrosphere, cryosphere, geosphere22
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Which gas in Earth’s atmosphere has increased over time due to burning fossil fuels?
A
oxygenB
nitrogenC
water vaporD
carbon dioxide23
Which statement best describes local winds?
A
They move over short distances.B
They curve due to the Coriolis effect.C
They flow steadily from different directions.D
They blow from the poles toward the equator.24
Study the image.
A
1B
2C
3D
425
Which sphere protects Earth’s surface?
A
atmosphereB
biosphereC
geosphereD
hydrosphereDid you find these answers helpful?
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