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WX 201 EXAM 1 QUESTIONS AND ANSWERS
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WX 201 EXAM 1 QUESTIONS AND ANSWERS
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Meteorology is the study of - Answers-The earth's atmosphereThe two most abundant greenhouse gases in earths atmosphere are carbon dioxide
and water vapor - Answers-True
Which process acts to remove carbon dioxide from the Atmosphere? - Answers-
photosynthesis
The most abundant gas in the atmosphere is - Answers-Nitrogen (N2)
In which atmosphere layer is most of the ionosphere found? - Answers-Thermosphere
The rate at which temperature decreases with increasing altitude is known as the: -
Answers-lapse rate
Wind direction is... - Answers-The direction from which the wind is blowing
Ozone in the troposphere - Answers-causes warming and is a highly reactive oxidant.
The word weather is defined as - Answers-the condition of the atmosphere at a
particular time and place
The most abundant greenhouse gas in earths current atmosphere is - Answers-water
vapor (H2O)
Which of the following is considered a variable gas in earths surface? - Answers-Water
vapor
Most human-made impurities found in the atmosphere present a health and
environmental hazard these are called - Answers-pollutants
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. - Answers-True
The ozone hole is an actual hole in our atmosphere, a region of complete vacuum -
Answers-False
Water vapor can be described as a - Answers-Gas
In the isothermal zone of the atmosphere, the air temperature on average remains
constant with the height - Answers-True
Of the earths four most abundant gases in our atmosphere, carbon dioxide shows the
greatest variation at the earths surface - Answers-False
, The unit of pressure most commonly found on a surface weather map is - Answers-
millibars or hectopascals
A constant outpouring of gases from the hot interior—known as ____—provided a rich
supply of water vapor, which formed into clouds. - Answers-outgassing
Precipitation is - Answers-Any form of water that falls from clouds and reaches the
ground
The understanding of the atmosphere and how it produces weather is built on the
knowledge acquired and applied through the scientific method - Answers-True
Weather describes the average conditions, including temperature and precipitation, over
long periods in a given area. - Answers-False
Of the four most abundant gases in our atmosphere, carbon dioxide shows the greatest
variation at earths surface - Answers-False
The majority of water on our planet is believed to have come from its hot interior through
outgassing, although some of the earths water may have come from collisions with
meteors and comets - Answers-Water
Atmospheric concentration of helium has increased from below 300 ppm historically to
over 400 ppm - Answers-False
At which temperature would earth be radiating energy at the greatest rate or intensity? -
Answers-105 degrees Fahrenheit
Solar wind is composed of plasma or charged particles traveling through space -
Answers-True
If earths average surface temperature were to increase, the amount of radiation emitted
from the Earths surface would increase, and the wavelength of peak emission would
shift forwards shorter wavelengths - Answers-True
A change of 1 degree on the Celsius scale is ____ a change of 1 Kelvin. - Answers-
Equal to
As we apply Newtonian principles and analyze the way the Sun's energy travels to
Earth through the atmosphere, we can say that solar radiation reaches Earth's surface
as ____. - Answers-ultraviolet, visible, and infrared radiation
Temperature is a measure of maximum possible speed of atoms and molecules -
Answers-False
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