Thermal because you have to melt rocks for rocks to become other types of rocks.
Answer: chief of which is a gradual decrease in the fertility and hence the productivity of Egypt’s riverside agricultural lands
Explanation:
B. The president can establish a direct connection with people.
C. They were cities in Japan where the US dropped atomic bombs
Hiroshima
City in Japan, the first to be destroyed by an atomic bomb, on August 6, 1945. The bombing hastened the end of World War II.
Nagasaki
Japanese city devastated during World War II when the United States dropped the second atomic bomb on Aug 8th, 1945.
Answer: Federalism is a type of government in which the power is divided between the national government and other governmental units. It contrasts with a unitary government, in which a central authority holds the power, and a confederation, in which states, for example, are clearly dominant.
Explanation: answer C. There must be several governments within one nation to ensure adequate voice and responsibility to all.