Lesson 4.1 Structure and Composition of the Atmosphere Answers
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As altitude increases, what happens to air pressure?
A
It fluctuates.B
It increases.C
It decreases.D
It stays the same.22
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The image shows a representation of mountains of various heights, numbered 1, 2, and 3. The plain is labeled number 4.
A
1B
2C
3D
423
Which gas in Earth’s atmosphere helps living things make proteins?
A
oxygenB
nitrogenC
water vaporD
carbon dioxide24
Joe, a hiker, stands at the top of a hill on a trail above the ocean. Joe's friend Dave is just starting out at the trailhead, which is at the beach.Which statement about this scenario is accurate?
A
The air Joe is breathing is denser than the air at sea level.B
The air pressure is higher where Joe is than where Dave is.C
If Joe keeps going up, air pressure will continue to decrease.D
The air Joe is breathing is denser than the air Dave is breathing.25
Which atmospheric layer gets warmer as altitude increases and contains the ozone layer?
A
mesosphereB
stratosphereC
thermosphereD
troposphereDid you find these answers helpful?
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