A is formed when magma intrudes between existing sedimentary layers.

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.

Stages 1 and 4 of the demographic transition are similar in that

Uncle tom's cabin started out as a series of articles printed in the national era, a newspaper.