Stomata in angiosperms do not open during:

Which process is shown in the figure below?

Water stomata are found in

$A.$ In dry atmosphere,the relative humidity is low,so the rate of transpiration increases.
$B.$ Slow breeze promotes the rate of transpiration.
$C.$ $ABA$ promotes transpiration.
$D.$ $A$ high salt concentration in soil water increases transpiration.

By which process is the atmospheric temperature maintained?

The majority of the water absorbed by plants is $...............$