Author Question: The A horizon or combined O/A horizons of the soil are known as the ________. A) subsurface ... (Read 166 times)

leilurhhh · **on:** Jul 13, 2018

The A horizon or combined O/A horizons of the soil are known as the ________.

A) subsurface horizon(s)
B) illuviation layer(s)
C) epipedon
D) regolith
E) colloidal layer(s)

Question 2

The unconsolidated parent material beyond the reach of most roots is ________.

A) the A horizon
B) loam
C) the C horizon
D) solum
E) the F horizon