Which is NOT an example of primary succession?
A
Decomposing organic matter forms soil
B
Presence of existing fertile soil
C
Long-term occurrence over extended time
D
Barren land once covered by a glacier
B
Presence of existing fertile soil
A
Decomposing organic matter forms soil
B
Presence of existing fertile soil
C
Long-term occurrence over extended time
D
Barren land once covered by a glacier
Presence of existing fertile soil