Although the Polar Climates Generally Have Small Precipitation Totals, They

Multiple Choice

Although the polar climates generally have small precipitation totals, they are considered humid. The reason for this is:

A) these regions have great reserves of underground water that can be used for irrigation.
B) since there are no trees present, little or no water is lost because of transpiration.
C) permafrost does not let the water escape.
D) most of the precipitation falls in the winter.
E) low temperatures mean only a small loss to evaporation.