The radius of the circle above is 11 in. What is the circumference of the circle? (Use = 3.14.) A.
759.88 in
B.
34.54 in
C.
379.94 in
D.
69.08 in

Why does physical weathering speed up the processes of chemical weathering? a) physical weathering requires abundant water, as does chemical weathering. b) physical weathering produces fresh surfaces for chemical weathering to attack. c) chemical weathering can occur only on small surfaces, not large ones. d) chemical weathering requires salt, which is provided by salt wedging.

Exactly what kind of weather conditions would a cold front produce?

In 2002, north korea announced that it was shutting down its nuclear facilities constructing a hydroelectric energy plant restarting nuclear weapon development changing to a free market economy