It is a common observation that our breath is warmer than the air around us , does respiration have anything to do with this ?

The air we breathe out is warmer than air because.

Human skin is relatively insensitive to visible light, but ultraviolet radiation can cause severe burns. Does this have anything to do with photon energies? Explain

In fission, the products have less mass than the starting materials do. Why does this happen?

Helium and neon are unreactive gases-what, if anything, do their atoms have in common?

Is the thermometer reading of the temperature of air (in shade) the same as the temperature of sand or water? What do you think is the reason for this? And why does the temperature have to be measured in the shade?