Q: Fact 1: Water vapor condensing in clouds causes rain. Fact 2: Heavy rain or thunder storms usually cause flash floods. Given the two facts above, water vapor condensing in clouds usually cause what?

Choose from:
a). Pollution.
b). Heat energy.
c). kinetic energy.
d). harmful substances.
e). flash floods.
f). Greenhouse gases.
g). Evaporation.
h). Greenhouse gasses.
A:
e).