If you increase the surface area of a rock, how will it affect the rate at which it weathers?
a. it will weather more quickly.
b. it will have no effect because surface area is not a factor in weathering.
c. it will weather more slowly.
d. it will have no effect because a rock does not have a surface area.\

What are the similarities and differences in the way geologists and biologists approximate the age of the earth? justify your response in two or more complete sentences.

All of the following statements about the biosphere are true except: a. light and heat from the sun do not affect the biosphere. b. the biosphere gets resources from earth's crust, hydrosphere and atmosphere. c. like "biology", the name for the biosphere comes from the greek word for life. d. the biosphere includes all living organisms on earth's surface.

In order from largest to smallest what are earths five main oceans