Answer:
third option should be correct
Explanation:
I just did this one if im not mistaken it was red giant
Primary succession occurs when vegetation occurs in a place for the very first time, i.e there was no vegetation there before.
The causes are:
-Erosion
-Physiography
-Elevation
Depending on what happens with the environment if its a decline in resources it could completely fall and tear itself apart it just depends really on what you think of just make up a situation in your head and talk about that