Which soil horizon is mostly clay and appears reddish in color?
A. A horizon
B. B horizon
C. Chorizon
D. D horizon

Which statements are true of a scientific theory but not a hypothesis

Which layer will become saturated first when rain falls?

Approximately percent of the energy created by cell metabolism is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth.