Question

There are _____ different types of air masses that coming from ____ different locations that influence the weather in North America.

A: 6;4

B: 6;6

C: 2;4

D: 4;6

EDIT: nobody answered, but i turned in the quiz got the result. the answer is D, 4:6

Answer 1

The answer to the question is : B: 6;6
There are __6__ different types of air masses that coming from _6___ different locations that influence the weather in North America., namely :
a) Continental Polar ; Large sub polar land area   b) Continental Arctic ; Canada, United States   c) Continental Antarctic ; Antartica  d) Continental Tropical ; Sahara, Arabian & Australian Deserts  e) Maritime Polar ; Polar Oceans  f)  Maritime Tropical ; Rocky Mountains