ATS 113 Name: __________________________
Quiz 3 Code#: __________________________
_84°__ 1. Find the
90 – distance
between
90 – (distance
between 6N and 23.5S)
90 – 29.5
60.5
_B__ 2. At the surface of the earth, the albedo determines the ratio of __________.
a. LW↑ to LW↓
b. SW↑ to SW↓
c. LW↑ to SW↑
d. LW↓ to SW↓
__C_ 3. Which of the following is the best explanation for why the sky appears blue?
a. The gases in the atmosphere are very efficient at absorbing blue light.
b. The gases in the atmosphere are very efficient at emitted blue light.
c. The gases in the atmosphere are very efficient at scattering blue light.
d. The gases in the atmosphere absorbed all wavelengths of shortwave radiation except blue light, which is transmitted.
_B__ 4. When an air parcel is “saturated”, _____________.
a. the mixing ratio of the air is 0 g/km
b. the rate of evaporation is equal to the rate of condensation within the air parcel
c. the dewpoint temperature is less than the air temperature
d. the vapor pressure is less than the saturation vapor pressure
e. More than one of the above choices is correct.
_C__ 5. When the temperature of an air parcel increases, the relative humidity ______ and the saturation vapor pressure ___________.
a. increases, increases
b. increases, decreases
c. decreases, increases
d. decreases, decreases
_D__ 6. Suppose the relative humidity is 50%. This means that _____.
a. the temperature of the air is one half of the dewpoint of the air
b. half of all of the air molecules are water vapor molecules
c. half of the current air pressure is due to the vapor pressure
d. the air is currently holding half of the moisture it would be holding if it were saturated