1.

Akhil wrapped himself with a few layers of cloth on a cold winter night. This helped him to keep himself warm because:

A. Friction between the layers of cloth produces heat.
B. Air trapped between the layers of cloth is a bad conductor of heat.
C. Cloth is at a higher temperature than the temperature of the surrounding.
D. Cloth is a conductor of heat.
Answer» C. Cloth is at a higher temperature than the temperature of the surrounding.


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