1.

What causes the air circulation from poles to the warmer latitudes?

A. The air at poles is colder as compared to air at latitudes about 60 degrees.
B. The air at poles in hotter as compared to air at latitudes about 60 degrees.
C. The temperature of air is almost same at poles as at latitudes of 60 degrees.
D. None of the above
Answer» B. The air at poles in hotter as compared to air at latitudes about 60 degrees.


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