1) Why must climate scientists pay close attention to water vapor?
- It is the most plentiful greenhouse gas in the climate system
- It has the capacity to reduce the ongoing climate change processes
- All of the above
2) What is a phase change linked to?
- Change in molecular activity
- May be due to addition of heat
- May be due to loss of heat
- All of the above
3) Water bodies have much more thermal inertia than landmass substances because of water's high specific heat and ______.
- water mixes to reach thermal equilibrium
- solar radiation is able to penetrate it to greater depth than land surfaces
- Both a and b.
- None of the above
4) How can sea-surface temperature impact the summer to winter temperature shift?
- 'If SST changes very little there is no drastic temperature change between summer and winter
- If SST changes greatly there is no drastic temperature change between summer and winter
- SST only impacts summer to fall temperature change
- None of the above
5) The component of the total air pressure caused by water vapor is known as ______ .
- humidity
- dew point
- vapor presure
- None of the above
6) What is the relative humidity of air that is supersaturated?
- less than 100%
- 100%
- more than 100%
- None of the above
7) If the air around an ascending parcel becomes cooler than the parcel, the air is ______ .
- unstable
- stable
- neither stable nor unstable
8) A cloud on the ground is known as ______ .
- cumulonimbus fog
- low-levle stratus
- It cannot be a cloud if it is on the gound.
9) At any given time, about how much of Earth is experiencing cloudy sky conditions?
10) In which phase do molecules exhibit the most unbounded motion?
- solid
- liquid
- vapor
- All of the above
- None of the above
11) The total pressure exerted by a group of gases is equal to the total of the individual pressures exerted by each gas is explained in ______ .
- Newton's 1st law of motion
- Kepler's 2nd law
- 3rd law of thermodynamics
- Dalton's Law
12) If all water vapor in the atmosphere were condensed into one layer on Earth's surface, what would be the approximate depth of the water?
- 1 cm (0.4 in.)
- 2.5 cm (1.0 in.)
- 25 cm (10.0 in.)
- None of the above
13) What happens to the relative humidity of ascending air?
- Increases in unsaturated air
- Decreases in unsaturated air
- *c. Remains at 100% in saturated air
- Is dependent on temperature
14) Water droplets existing in the liquid state below freezing are known as ______ ?
- supercooled
- hygroscopic
- hydrophobic
- None of the above
15) An example of an orographic boundary in the United States would be ______ .
- Cascade Mountains
- the American Midwest
- the Gulf Peninsula
- All of the above
- None of the above
16) Where is radiation fog likely to form?
- Marshy areas
- Areas where soil has been saturated by rain or snowmelt
- Both a and b.
- None of the above
17) In what type of cloud is hail likely to form?
- Stratus
- Cirrus
- Cumulus
- Cumulonimbus
18) Which of the following provides a continuous record of rainfall, typically in over a 24-hour or weekly period?
- Tipping bucket rain gauge
- Weighing bucket rain gauge
- Both a and b
- None of the above
19) How much water is discharged by the Colorado River annually?
- 15 million acre feet
- 8 million acre feet
- 50 million acre feet 3 million acre feet