What is the MAIN difference between primary and secondary succession? A. Primary succession is when there is no soil, and secondary succession is when there is a major change to the community

B. Primary succession involves breaking down rock, and secondary succession involves only the movement of animals to the area

C. Primary succession usually happens after a fire, and secondary succession happens after a flood

the answer is B because primary is when de breaking of rocks n secondary about the area

Explanation:

B

A. Primary succession is when there is no soil, and secondary succession is when there is a major change to the community

Explanation:

Primary succession begins on rock formations or in a place with no organisms or soil. Secondary succession occurs when floods, hurricanes, fires, and tornadoes destroy the community and then the ecological community undergoes a change to rebuild itself

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.