1.

What causes air circulation from poles to warmer latitudes?

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


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