It IS NOT A because after a fire, soil remains, so it would be secondary, not primary. D is INCORRECT because after a volcano, only rock is left so it is primary succession, not secondary.
If you can post the picture I could tell you the correct answer.
I think it is C An increase in the activity of nitrogen-fixing bacteria but don’t hold me to that I’m not sure
Answer:
In Florida, measured in frequency of tornadoes for every 10,000 square miles, the coast between Tampa Bay and Fort Myers has a particularly high incidence, as do the western panhandle and parts of the Atlantic Coast.
Explanation: