How long will it be until North America experiences its next High Tide? a. 1 month
c. 6 Hours
b. 24 Hours
d. 12 Hours

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.

In what way does renewable energy differ form nonrenewable energy?

What was apartheid and how did it restrict the rights of non-whites?