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MET 1010: Chapter One
Intro to Atmosphere
A south wind:
blows from the south.
A towering cloud, or cluster of clouds, accompanied by thunder, lightning, and a strong, gusty wind is a:
Almost all the earth's weather occurs in the:
Areas of high atmospheric pressure are also known as:
highs, or anticyclones.
As a radiosonde balloon ascends through the atmosphere,
the balloon eventually bursts and the radiosonde returns to earth.
At night, when the weather is extremely cold and dry,
atmospheric pressure decreases with increasing height.
At the 500 mb level, the amount of oxygen inhaled in a single breath is ________ of that inhaled at sea level.
Clouds often form in:
in the rising air in the center of a low-pressure area.
Condensation is more likely to occur:
when the air cools.
Generally, weather in the middle latitudes tends to move from ______ to ______.
If you were to take a breath of pure oxygen, from a tank, you'd be getting about ________ the amount of oxygen you'd get by taking a normal breath of our atmosphere.
In a temperature inversion:
there is an increase in temperature with height.
In a volume of air near the earth's surface, ______ occupies 78 percent and ______ nearly 21 percent.
In the atmosphere, tiny solid or liquid suspended particles of various compositions are called:
In the middle latitudes of the Northern Hemisphere, surface winds tend to blow ______ and ______ around an area of low surface pressure.
In the middle latitudes of the Northern Hemisphere, surface winds ten to blow ______ and ______ around an area of high pressure.
In the stratosphere, the air temperature normally:
increases with height.
Meteorology is the study of:
the atmosphere and its phenomena.
Most of the ionosphere is found in what atmospheric layer?
Much of Tibet lies at altitudes over 18,000 feet where the pressure is about 500 mb. At such altitudes, the Tibetans are above roughly:
50 percent of the earth's atmosphere.
On a weather map, sharp changes in temperature, humidity, and wind direction are marked by a:
Ozone in the stratosphere:
absorbs ultraviolet radiation and in turn warms the stratosphere causing a temperature inversion.
Since the turn of this century, CO2 in the atmosphere has:
been increasing in concentration.
The amount of force exerted over an area of surface is called:
The atmospheric layer in which we live is called the:
The difference in altitude (i.e. the thickness) is greatest in the layer bounded by:
The earth's atmosphere is divided into layers based on the vertical profile of:
The electrified region of the upper atmosphere is called the:
The gas responsible for the greenhouse effect on Venus is:
carbon dioxide (CO2).
The gas that absorbs most of the harmful ultraviolet radiation in the stratosphere is:
The gas that shows the most variation from place to place and from time to time in the lower atmosphere is which of the following?
The greenhouse gas that has been increasing in concentration, at least partly due to deforestation, is:
carbon dioxide (CO2).
The hottest atmospheric layer is the:
The instrument that measures temperature, pressure, and humidity at various altitudes in the atmosphere is the:
The ionosphere is an atmospheric layer that contains a high concentration of ions. An ion is:
an atom that has lost one or more electrons.
The most abundant gases in the earth's atmosphere by volume are:
nitrogen and oxygen.
The most abundant greenhouse gas in the earth's atmosphere is:
The number or mass of air molecules in a given space or volume is called:
The only substance near the earth's surface that is found naturally in the atmosphere as a solid, liquid, and a gas is:
The primary source of oxygen for the earth's atmosphere during the past half billion years or so appears to be:
The rate at which temperature decreases with increasing height is known as:
The temperature of the tropopause is:
much colder than the temperature at the earth's surface.
The wind direction is:
the direction from which the wind is blowing.
There is a lot of mixing and overturning of air in which of the following atmospheric layers?
Typically, water vapor occupies about what percentage of the air's volume near the earth's surface?
Less than 4 percent.
Warming in the stratosphere is mainly caused by:
the absorption of ultraviolet radiation by ozone.
Where cold surface air replaces warm air, the boundary separating the different bodies of air is:
a cold front.
Which latitude belt best describes the middle latitudes?
30 to 50 degrees.
Which of the following are NOT units of pressure?
Which of the following equations is correct?
Weight= mass X gravity
Which of the following is MOST likely associated with fair weather?
High atmospheric pressure.
Which of the following is considered a variable gas in the earth's atmosphere?
Which of the following processes remove CO2 from the atmosphere?
Which of the following weather elements ALWAYS decreases as we climb upward in the atmosphere?
________ holds a planet's atmosphere close to its surface.
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