Is the problem of elephant destroying trees in southern africa overpopulation , competition , or both

Topographic maps are used to measure a-composition b-movement c-elevation d-texture

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.

The states that the process that have been occurring today have been occurring since earth formed. what is it?