Why does a desert have a dramatic change in temperature during the day and at night? because a) of the lack of water. b) of the lack of vegetation. c) sand is such a poor insulator. d) of the lack of nitrogen in the soil.

The answer would be A because water is what causes breezes at night and day. Also water absorbs most heat and takes long to release it. My point is that water is what causes the temperature to vary.

thats correct, but whats the question

explanation:

an angle + its complement = 90 degrees