4 _ is a component of soil made entirely of decomposed organic remains. This component increases soil fertility and _
the ability of soil to retain water.
A. Humus; increases
B.
Parent material; decreases
C.
Subsoil; increases
D
Topsoil; decreases

Which statement best describes lactic acid fermentation? a. lactic acid fermentation is the first step of cellular respiration. o b. lactic acid fermentation is the final step of cellular respiration. re to berate c. in the absence of oxygen, cells release atp by breaking down lactose into glucose. e der lade res o d. in the absence of oxygen, cells release atp by breaking down glucose into lactate. ar

The cell membrane controls what enters and leaves the cell. which of the structures in the diagram below is the cell membrane? — f оооо

Slab pull is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere, causing