There are many of them but the most common are:
1.) Photosynthesis
2.) Solar Energy
3.)Thermochemical Reactions
O<span>verpopulation, growing cities, damming of rivers, and the need for more irrigation.</span>
A funnel cloud is a rapidly rotating column of air that is not in contact with the ground, a soon to be tornado.
B: Confederate forces fired upon and captured Fort Sumter. U.S.
