Which if the following is a subsurface event that takes place during the rock cycle?

a. cementing
b. erosion
c. melting
d. weathering

Identify the type of chemical reaction involved in each action.

Countries in this region are trying to achieve development. a. attainable c. sustainable b. suspendable d. intangible

Select all that apply the earth orbits the sun because a. the earth is in motion therefore stays in motion b. the suns gravity pulls the earth in a curved path c. a contact force is pushing the earth