Which best describes the composition, or make-up, of clouds?
a) they are made of heated air.
b) they are made of air pollution.
c) they are made of tiny droplets of water.
d) they are made of carbon dioxide and oxygen.

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

What are the three ways that an object can accelerate

Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.