11. Air that is dense will create air pressure.
A. low
C. high
B. no
D. some

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.

How much damage is done by landslides in a typical year in the u. s.?

What is a boundary between geologic units called