Fact 1: Water vapor condensing in clouds causes rain. Fact 2: Humidity is the amount of water vapor in the air. Given the two facts above, condensation in the air and humidity are caused by?
OPT:
a). Sun;
b). kinetic;
c). heat;
d). Joules;
e). climate;
f). sweat;
g). boiling;
h). water;
h).