They're used by humans for fossil fuel and in entertainment. They were not created by the human race, they were created through thousands of being underground and soft tissues quickly decompose leaving the hard bones or shells behind. Over time sediment builds over the top and hardens into rock.
<span>Theodore Roosevelt was the 26th U.S. President and lived during the 1800s. He was an author, a soldier and a leader. He saw the world around him based on the many things he learned during his life.</span>
Britain still had a substantial amount of colonies and gradually decolonized overtime.
The French wanted older colonies back in their possession such as South-East Asian nations of Laos, Cambodia and Vietnam.
Answer b is correct because The United States is larger than the Sahara desert, but not by much. The total area of the United States is 3,718,711 square miles, and the total area of the Sahara desert is 3,500,000 square miles.