The intial stage of an ordinary thunderstorm is the
a. cumulus stage
b. primary stage
c. multicell stage
d. mature stage
e. dissipating stage - ANSWERS-A
Radiation fog typically forms on
a. clear, calm nights
b. clear, windy days
c. clear, windy nights
d. clear, calm days
e. any day and in any conditions - ANSWERS-A
Nuclei with a radius of less than 0.1 um are referred to as ______ nuclei
a. condensation
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b. Aitken
c. giant
d. hydrophobic
e. hygroscopic - ANSWERS-B
Which cloud type below will only produce precipitation by the collision-
coalescence process?
a. a thick, cold nimbostratus cloud
b. a thick, warm cumulus cloud
c. a thick, supercooled cumulonimbus cloud with abundant nuclei
d. a supercooled cumuls congestus cloud
e. a thick, cold cumulus cloud - ANSWERS-B
The elevation where clouds form is called ______ level.
a. cloud formation
b. condensation
c. saturation
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d. adiabatic
e. precipitation - ANSWERS-B
The temperature at which water boils depends mainly on
a. air temperature
b. the specific heat of air
c. air pressure
d. air density
e. relative humidity - ANSWERS-C
As Apollo 12 ascended into the atmosphere, the height of the
surrounding clouds was noted to be 42,000 feet. A lightning strike was
seen within these clouds, indicating that they must have been
a. cumulus congestus
b. lenticular
c. cirrostratus
d. cirrus
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