WX 201 Exam 1 2025 WX 201 Exam
Latest Update 2025 Questions and
Correct Answers Rated A+
The Temperature of the Tropopause:
A: is much colder than the temperature at the earth's surface.
B: is much warmer than the temperature at Earth's surface.
C: has never been measured.
D: is close to the temperature at Earth's surface.
E: is nearly the same as the sun's temperature. -Answer-A: is much
colder than the temperature at the earth's surface.
Which Atmospheric Layer contains the most mixing and overturning of
air?
A: stratosphere
B: exosphere
C: mesosphere
D: ionosphere
E: troposphere -Answer-E: troposphere
Air molecules are held near earth by/through
A: air pressure.
B: chemical reactions.
,C: intermolecular forces.
D: gravity.
E: winds in the atmosphere. -Answer-D: gravity
The gas that absorbs most of the harmful ultraviolet radiation in the
stratosphere is:
A: chlorofluorocarbons
B: water vapor
C: carbon dioxide
D: Ozone
E: nitrous oxide -Answer-D: Ozone
Typically, water vapor occupies about what percentage of the air's
volume near Earth's surface?
A: about 21 percent
B: less than 1 percent
C: about 78 percent
D: close to 10 percent
E: less than 4 percent -Answer-E: Less than 4 percent
There are considerably more air molecules near Earth's surface than
higher up, which means, in comparison, air near the surface
A: is more dense.
, B: has no density.
C: is less dense.
D: is only half as dense.
E: has the same density. -Answer-A: is more dense.
Wind Direction is
A: always directly from high toward low pressure.
B: the vertical displacement of air.
C: the direction from which the wind is blowing.
D: always directly from low toward high pressure.
E: the direction to which the wind is blowing. -Answer-C: the direction
from which the wind is blowing
Which weather element ALWAYS decreases as we climb upward in
the atmosphere?
A: Wind
B: Pressure
C: dew point
D: Moisture
E: Temperature -Answer-B: Pressure
Which of the following is considered a variable gas in Earth's
atmosphere?
Latest Update 2025 Questions and
Correct Answers Rated A+
The Temperature of the Tropopause:
A: is much colder than the temperature at the earth's surface.
B: is much warmer than the temperature at Earth's surface.
C: has never been measured.
D: is close to the temperature at Earth's surface.
E: is nearly the same as the sun's temperature. -Answer-A: is much
colder than the temperature at the earth's surface.
Which Atmospheric Layer contains the most mixing and overturning of
air?
A: stratosphere
B: exosphere
C: mesosphere
D: ionosphere
E: troposphere -Answer-E: troposphere
Air molecules are held near earth by/through
A: air pressure.
B: chemical reactions.
,C: intermolecular forces.
D: gravity.
E: winds in the atmosphere. -Answer-D: gravity
The gas that absorbs most of the harmful ultraviolet radiation in the
stratosphere is:
A: chlorofluorocarbons
B: water vapor
C: carbon dioxide
D: Ozone
E: nitrous oxide -Answer-D: Ozone
Typically, water vapor occupies about what percentage of the air's
volume near Earth's surface?
A: about 21 percent
B: less than 1 percent
C: about 78 percent
D: close to 10 percent
E: less than 4 percent -Answer-E: Less than 4 percent
There are considerably more air molecules near Earth's surface than
higher up, which means, in comparison, air near the surface
A: is more dense.
, B: has no density.
C: is less dense.
D: is only half as dense.
E: has the same density. -Answer-A: is more dense.
Wind Direction is
A: always directly from high toward low pressure.
B: the vertical displacement of air.
C: the direction from which the wind is blowing.
D: always directly from low toward high pressure.
E: the direction to which the wind is blowing. -Answer-C: the direction
from which the wind is blowing
Which weather element ALWAYS decreases as we climb upward in
the atmosphere?
A: Wind
B: Pressure
C: dew point
D: Moisture
E: Temperature -Answer-B: Pressure
Which of the following is considered a variable gas in Earth's
atmosphere?
