During the formation of metamorphic rocks, what is one event that leads to increased heat? A. Sun warms rocks.
B. Magma pockets rise.
C. Friction occurs between sliding rocks.
D. Lava at Earth’s surface flows over rocks.

What was the midwest states often called because they were located in the center of the nation

Click on  the link  to view information gathered by the organization keep america beautiful. read "the costs of american littering" to find three negative effects of litter in local communities.  based on your research, what are the negative effects of litter in local communities? check all that apply. litter cleanup is very expensive. litter has decreased since 1969.litter is a constant community problem. litter causes property in the community to be less valuable. litter contaminates water and has other environmental consequences.

During the late 19th century, russia's settlement and development of siberia was made possible by the invention of the