Why do you feel cool under a tree but not a so under a tin shed on a sunny day?

• A. The greenness of the tree gives the cool feeling Photosynthesis absorbs heat
• B. The leaves convert water vapours into water which is a heat-absorbing process
• C. The leaves give out water which vaporizes absorbing some heat as latent heat
• D. The same phenomenon is responsible for cooling our body when we sweat and also the cooling effect of desert coolers.