Traditional Culture Encyclopedia - Weather forecast - Lishu weather forecast broadcast
Lishu weather forecast broadcast
A, ① The air circulation formed by uneven ground heat and cold is thermal circulation, so it is correct;
B, ② is the phenomenon of burning wind, so it does not meet the meaning of the question;
C, ③ vertical airflow sinking is an anticyclone, which does not conform to the meaning of the question;
The cold air mass at D and ④ moves to the warm air mass, forming a cold front.
So choose: a.
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