How is the geography of South Asia similar to and different from ? Pick a region of the world you have already studied and make the comparison.

What is the mercury length of time for one revolution around the sun?

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.

Why is immigration so important today?