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WX 201 EXAM 2 QUESTIONS AND ANSWERS
2025
Chemicals called __ break down ozone molecules -
.....ANSWER ...✔✔ chlorofluorocarbons
Since the turn of this century, CO2 in the atmosphere
has: - .....ANSWER ...✔✔ been increasing in
concentration
In a volume of air near the earth's surface, ____
occupies 78 percent
and ____ occupies nearly 21 percent. - .....ANSWER
...✔✔ Nitrogen, Oxygen
Sinks of CO2 include - .....ANSWER ...✔✔
photosynthesis
The only substance near the earth's surface that is found
naturally in the atmosphere as a solid, liquid, and a gas:
- .....ANSWER ...✔✔ water
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A greenhouse gas - .....ANSWER ...✔✔ absorbs
outgoing terrestrial radiation
Air can hold more water vapor when it is - .....ANSWER
...✔✔ warm
Ozone - .....ANSWER ...✔✔ occurs at about 75,000 ft
and absorbs UV rays
In the atmosphere, tiny solid or liquid suspended
particles of various composition are called: -
.....ANSWER ...✔✔ aerosol
Meteorology is the study of _____. - .....ANSWER
...✔✔ the atmosphere
50°F is equal to __°C - .....ANSWER ...✔✔ 10.0000
An inversion layer where the temperature increases with
height has a __ lapse rate - .....ANSWER ...✔✔
negative
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20°C is equal to __°F - .....ANSWER ...✔✔ 68.0000
The altitude of the tropopause is generally highest in -
.....ANSWER ...✔✔ the tropics
In a temperature inversion: - .....ANSWER ...✔✔ air
temperature increases with increasing height
Almost all of the earths weather occurs in the -
.....ANSWER ...✔✔ troposphere
Average sea level pressure is about - .....ANSWER
...✔✔ 14.7 lb per square inch, 29.92 in Hg, 1013 mg
In the ISA (Standard Atmosphere), the lapse rate in the
troposphere is - .....ANSWER ...✔✔ 2ºC per 1,000 ft
If I heat air in a closed container the pressure inside the
container will - .....ANSWER ...✔✔ rise
An isothermal layer is a layer in which ___ -
.....ANSWER ...✔✔ temperature is constant with height
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If the absolute temperature of an object doubles, the
amount of energy emitted goes up by a factor of: -
.....ANSWER ...✔✔ 16
If the amount of energy lost by the earth to space each
year were not approximately equal to that received: -
.....ANSWER ...✔✔ the atmospheres average
temperature would change
At midday on June 22, the solar elevation at 30ºN is -
.....ANSWER ...✔✔ 83.5º
At which temperature would the earth be radiating
energy at the greatest rate of intensity? - .....ANSWER
...✔✔ 105º F
For maximum winter warmth, in the Northern
Hemisphere, large windows in a house should face: -
.....ANSWER ...✔✔ south
Most of the radiation emitted by the earth is in the __
part of the electromagnetic spectrum - .....ANSWER
...✔✔ IR
WX 201 EXAM 2 QUESTIONS AND ANSWERS
2025
Chemicals called __ break down ozone molecules -
.....ANSWER ...✔✔ chlorofluorocarbons
Since the turn of this century, CO2 in the atmosphere
has: - .....ANSWER ...✔✔ been increasing in
concentration
In a volume of air near the earth's surface, ____
occupies 78 percent
and ____ occupies nearly 21 percent. - .....ANSWER
...✔✔ Nitrogen, Oxygen
Sinks of CO2 include - .....ANSWER ...✔✔
photosynthesis
The only substance near the earth's surface that is found
naturally in the atmosphere as a solid, liquid, and a gas:
- .....ANSWER ...✔✔ water
,2|Page
A greenhouse gas - .....ANSWER ...✔✔ absorbs
outgoing terrestrial radiation
Air can hold more water vapor when it is - .....ANSWER
...✔✔ warm
Ozone - .....ANSWER ...✔✔ occurs at about 75,000 ft
and absorbs UV rays
In the atmosphere, tiny solid or liquid suspended
particles of various composition are called: -
.....ANSWER ...✔✔ aerosol
Meteorology is the study of _____. - .....ANSWER
...✔✔ the atmosphere
50°F is equal to __°C - .....ANSWER ...✔✔ 10.0000
An inversion layer where the temperature increases with
height has a __ lapse rate - .....ANSWER ...✔✔
negative
,3|Page
20°C is equal to __°F - .....ANSWER ...✔✔ 68.0000
The altitude of the tropopause is generally highest in -
.....ANSWER ...✔✔ the tropics
In a temperature inversion: - .....ANSWER ...✔✔ air
temperature increases with increasing height
Almost all of the earths weather occurs in the -
.....ANSWER ...✔✔ troposphere
Average sea level pressure is about - .....ANSWER
...✔✔ 14.7 lb per square inch, 29.92 in Hg, 1013 mg
In the ISA (Standard Atmosphere), the lapse rate in the
troposphere is - .....ANSWER ...✔✔ 2ºC per 1,000 ft
If I heat air in a closed container the pressure inside the
container will - .....ANSWER ...✔✔ rise
An isothermal layer is a layer in which ___ -
.....ANSWER ...✔✔ temperature is constant with height
, 4|Page
If the absolute temperature of an object doubles, the
amount of energy emitted goes up by a factor of: -
.....ANSWER ...✔✔ 16
If the amount of energy lost by the earth to space each
year were not approximately equal to that received: -
.....ANSWER ...✔✔ the atmospheres average
temperature would change
At midday on June 22, the solar elevation at 30ºN is -
.....ANSWER ...✔✔ 83.5º
At which temperature would the earth be radiating
energy at the greatest rate of intensity? - .....ANSWER
...✔✔ 105º F
For maximum winter warmth, in the Northern
Hemisphere, large windows in a house should face: -
.....ANSWER ...✔✔ south
Most of the radiation emitted by the earth is in the __
part of the electromagnetic spectrum - .....ANSWER
...✔✔ IR
