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BRAINLIEST!! HELP PLEASE!!

9. Which of the following is a true statement about lake-effect snow?

a) Lake-effect snow is caused when a tropical air mass from the United States moves over the warmer Great Lakes.

b) Lake-effect snow is caused when a continental polar air mass from Canada moves over the warmer Great Lakes.

c) Lake-effect snow is caused when an arctic air mass from Canada moves over the warmer Great Lakes.

d) Lake-effect snow is caused when a continental polar air mass from the United States moves over the warmer Great Lakes.

Respuesta :

The cold air often originates from Canada when it comes to the Great Lakes. Additionally Continental polar air masses are cold, dry, and stable. These air masses originate over northern Canada and Alaska.
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ANSWER- B
I guess the answer is (B)