The following are two characteristics of two ecological succession events:
Succession A: a disturbance has left empty soil that is not destroyed
Succession B: lichen and moss start to thrive on rocks
Which of the following correctly identifies each succession?
O Both succession A and succession B are primary.
O Both succession A and succession B are secondary.
O Succession A is primary and succession B is secondary.
O Succession A is secondary and succession B is primary.