Author Question: An important reason for the large daily temperature range over deserts is a. there is little ... (Read 61 times)

tsand2 · **on:** Jul 13, 2018

An important reason for the large daily temperature range over deserts is
a. there is little water vapor in the air to absorb and re-radiate infrared radiation.
b. the light-colored sand radiates heat very rapidly at night.
c. dry air is a very poor heat conductor.
d. free convection cells are unable to form above the hot desert ground.
e. the ozone content of desert air is very low.

Question 2

If tonight's temperature is going to drop into the middle 20s (F) and a fairly stiff wind is predicted, probably the best way to protect an orchard against a hard freeze is to (assume that cost is not a factor)
a. use helicopters.
b. use wind machines.
c. sprinkle the crops with water.
d. put orchard heaters to work.
e. pray for clouds.