When stressed by a tectonic force, rock stores elastic energy that causes deformation, or , to build.

Soweto was the site of one of the that swept across south africa in the late 1970s. in his effort to end apartheid, desmond tutu turned to . the united states responded to south africa’s apartheid policy in the 1980s by .

Where does the availability of water pose the greatest problem

What are the similarities and differences in the way geologists and biologists approximate the age of the earth? justify your response in two or more complete sentences.