What caused most of the current landscape features of the alps region?

a. tectonic plate movement

b. ice movement and deposition of eroded material

c. accelerated river erosion

d. global warming

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.