If we place our hand below a lighted electric bulb We feel warmer because of .

We move our hands while walking for

We move our hands while walking for

We move our hands while walking for

We move our hands while walking for

we move our hand while walking for is

If we put our hands above a fire or at the side of the fire to get warmth in a winter night. It feels hotter above a fire than by its side. Explain.