Question

Cold, dry air affecting the northern united states in winter often comes from

a. maritime polar air masses.
b. maritime tropical air masses.
c. continental polar air masses.
d. continental tropical air masses.

Answer 1

c. continental polar air masses

Step-by-step explanation:

Cold air is dry because it doesn't gather as much water and is cold from the POLES. The cold dry air then amasses over the north or south CONTINENTS. Warming when approaching the equator then the air gathers water.

Answer 2

C. continental polar air masses