WX 201 Exam 1 |Complete And Graded A+
Humidity is
a measure of the amount of water vapor in the air
Which of the following is considered a variable gas in Earth's atmosphere?
water vapor
Water vapor molecules
are invisible
The atmospheric concentration of CO2 has risen by about ____ since 1958, when measurements
began at Mauna Loa Observatory in Hawaii.
about 30%
Most human-made impurities found in the atmosphere present a health and environmental hazard.
These are called
pollutants
The unit of pressure most commonly found on a surface weather map is
millibars or hectopascals
Which process, over millions of years, provided a rich supply of water vapor into the atmosphere that
formed into clouds?
outgassing
The average or standard lapse rate in the troposphere is about 6.5°C for every 1000 m or about 3.6°F
for every 1,000-foot rise in elevation.
true
The region where atoms and molecules shoot off into space is sometimes referred to as the
exosphere, which represents the upper limit of our atmosphere.
true
Our understanding of the atmosphere and how it produces weather is built on the knowledge
acquired and applied through the scientific method.
true
A constant outpouring of gases from the hot interior—known as ____—provided a rich supply of
water vapor, which formed into clouds.
outgassing
Carbon dioxide is a naturally occurring component of the atmosphere.
true
Humidity is
a measure of the amount of water vapor in the air
Which of the following is considered a variable gas in Earth's atmosphere?
water vapor
Water vapor molecules
are invisible
The atmospheric concentration of CO2 has risen by about ____ since 1958, when measurements
began at Mauna Loa Observatory in Hawaii.
about 30%
Most human-made impurities found in the atmosphere present a health and environmental hazard.
These are called
pollutants
The unit of pressure most commonly found on a surface weather map is
millibars or hectopascals
Which process, over millions of years, provided a rich supply of water vapor into the atmosphere that
formed into clouds?
outgassing
The average or standard lapse rate in the troposphere is about 6.5°C for every 1000 m or about 3.6°F
for every 1,000-foot rise in elevation.
true
The region where atoms and molecules shoot off into space is sometimes referred to as the
exosphere, which represents the upper limit of our atmosphere.
true
Our understanding of the atmosphere and how it produces weather is built on the knowledge
acquired and applied through the scientific method.
true
A constant outpouring of gases from the hot interior—known as ____—provided a rich supply of
water vapor, which formed into clouds.
outgassing
Carbon dioxide is a naturally occurring component of the atmosphere.
true
