Why do so many tornadoes occur in tornado alley? A This is where cool, dry air at lower levels meets up with higher, cool, moist air. B This is where warm, dry air at lower levels meets up with lower, cool, moist air. C This is where low-level warm, moist air meets with higher, cool, dry air. D This is where cool, moist air in the lower levels meets up with higher, warm, dry air.

The answer is actually This is where low-level warm, moist air meets with higher, cool, dry air.

Explanation:

I took the test and got the other person's answer wrong

the answer is

a) revise existing treaties

b) do away with political alliances

c) prevent the spread of communism

d) bring an end to european colonization

the main goal of the southeast asia treaty organization was to prevent the spread of communism in southeast asia.