Curves in canyons formed by a downcutting stream are:

Which statement about glaciers is true? a. glaciers can only be found high up in mountains. b. glaciers have snow all year round, except during july. c. there are two types of glaciers: alpine and continental. d. glaciers can only be found near earth's north and south poles.

How do ocean currents affect temperature? check all that apply. they carry cold water from the poles to the equator and cool air over land. they flow north and then south below the equator. they flow south and then north above the equator. they move warm water from the equator to the poles and heat air over land. they move east to west and create prevailing winds. they move west to east and create seasonal winds.

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.