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The Atmosphere
Test Description: Review questions on the atmosphere.
Instructions: Answer all questions to get your test result.
1) What are the two main gases in Earth's atmosphere?
A
Nitrogen and carbon dioxide
B
Methane and ammonia
C
Carbon dioxide and oxygen
D
Nitrogen and oxygen
2) Where does 99% of the atmosphere lie within?
A
19 miles upward
B
19 feet upward
C
19 meters upward
D
9 miles upward
3) What removes oxygen from the atmosphere?
A
When oxides are produced
B
Breathing
C
All are correct
D
Decomposition
4) What contributes oxygen to the atmosphere?
A
Pollution
B
Respiration
C
Photosynthesis
D
Decomposition
5) What is the difference between water vapor and steam?
A
Steam is an invisible gas, while water vapor is large molecules of water that are visible.
B
Water vapor is an invisible gas, while steam is large molecules of water that are visible.
C
Water vapor is composed of small droplets of water, while steam is composed of large molecules of gas.
D
They are the same.
6) When water changes form from a gas to a liquid, this is called
A
precipitation
B
evaporation
C
condensation
D
deposition
7) When water changes from a liquid to a gas, this is called
A
deposition
B
evaporation
C
condensation
D
precipitation
8) When water goes from a gas directly to a solid, this is called
A
condensation
B
evaporation
C
deposition
D
precipitation
9) What percentage of the atmosphere is carbon dioxide?
A
0.04%
B
4%
C
21%
D
2.1%
10) Which of the following are variable greenhouse gases?
A
Chlorofluorocarbons
B
All of the above
C
Nitrous oxide
D
Methane
*select an answer for all questions
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