Which layer of soil has little or no humus?
A.
topsoil
B.
A horizon
C.
subsoil
D.
C horizon
E.
B horizon

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 coco river is a natural border between nicaragua and which other country

On nights when we see the new moon phase, what side of the moon are we seeing?