Question

he temperature in a desert can fluctuate from being over 100° F during the day to below 40° F at night. Why can the desert experience such a daily temperature change?
Responses
A The high amount of vegetation helps to shade the area.The high amount of vegetation helps to shade the area.
B Being far away from the equator allows for the cooler temperatures.Being far away from the equator allows for the cooler temperatures.
C The high humidity of the desert allows for the air to cool down quickly.The high humidity of the desert allows for the air to cool down quickly.
D With no clouds and low humidity, much of the days heat is reflected back into the atmosphere.With no clouds and low humidity, much of the days heat is reflected back into the atmosphere.

Answer 1

Answer: D

Explanation: Deserts have very low humidity and few clouds, so daytime solar heating is strong but at night heat is lost quickly by radiation to space (there's little water vapor or cloud cover to trap warmth), producing large daily temperature swings.