Two most important heat absorbing gases in the lower atmosphere

Question 1

The gases of our atmosphere, especially water vapor and carbon dioxide, act very much like __________ in a greenhouse.

Answer glass

oceans

trophosphere

isotherms

.

4 points

Question 2

The two most important heat absorbing gases in the lower atmosphere are:

Answer oxygen and nitrogen.

water vapor and carbon dioxide.

argon and oxygen.

ozone and chlorofluorocarbon.

.

4 points

Question 3

The transfer of heat through matter by molecular activity is:

Answer conduction.

convection.

radiation.

transpiration.

.

4 points

Question 4

Which of the following is the reason the annual temperature range at most latitudes in the Southern Hemisphere is much smaller than that in the Northern Hemisphere?

Answer Earth is closest to the Sun during the Southern Hemisphere summer.

Rainfall and cloudiness are greater in the Southern Hemisphere.

A greater proportion of the land surface is mountainous in the Southern Hemisphere.

There is a greater percentage of water surface in the Southern Hemisphere.

.

4 points

Question 5

On average, how much of the Sun's energy that is intercepted by the Earth is reflected back into space?

Answer 10%

20%

30%

50%

.

4 points

Question 6

Under what circumstances could the relative humidity exceed 100% without producing condensation in the air?

Answer When the dew point is higher than the air temperature

When the air is perfectly dry

When the water vapor is composed of "heavy" water

When there are no condensation nuclei

.

4 points

Question 7

On which of the following days does the length of daylight get progressively longer going south from the equator?

Answer June 21

March 21

September 21

December 21

.

4 points

Question 8

Which of the following statements is TRUE?

Answer The higher the temperature of a radiating body, the longer the wavelengths of maximum radiation

The amount of water vapor is consistent throughout the Earth's atmosphere at about 6% by volume

Earth's atmosphere ends quite abruptly at an altitude of 40 kilometers

Tiny solid and liquid particles suspended in the atmosphere are collectively called aerosols

.

4 points

Question 9

Which of the following will NOT cause air to become more unstable?

Answer Intense solar heating which warms the air from below

Forceful lifting of air

Subsidence of an air column

Upward movement caused by general convergence

.

4 points

Question 10

The process by which water vapor changes directly to the liquid state is called:

Answer evaporation.

deposition.

condensation.

melting.

.

4 points

Question 11

Why is the vertical movement of air critical to the formation of clouds and precipitation? How is this vertical movement achieved? What roles do adiabatic temperature changes play in these processes?

Answer

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.

30 points

Question 12

On a given day in the winter in St. Louis, Missouri it began snowing in the morning. The snow changed to rain by noon, later in the afternoon sleet was falling which turned to snow, and by evening rain was freezing on bridges and roadways. Explain how such a sequence of precipitation might occur.

Answer

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