An important reason for the large daily temperature range over ...

[tsand2]

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.

[anoriega3]

Answer to Question 1

ANSWER: a

Answer to Question 2

ANSWER: c

[tsand2]

Excellent

[alvinum]

TYSM