4. which country is shown as having only one resource!

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.

What way does renewable energy differ from nonrenewable energy?

Fossils of glossopteris, an extinct fern, were discovered on which continents to support the theory of continental drift? check all that apply.