Primary succession occurs in areas without life, while secondary succession occurs in places that were previously inhabitated.
Hope this helps!
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Answer:
Humans release carbon dioxide (CO2) into the atmosphere through cellular respiration. This CO2 is used by plants during photosynthesis. During photosynthesis, plants release oxygen (O2) into the atmosphere. The oxygen is used by animals in order to carry out cellular respiration.
Explanation:
I put all I know into that so it should be right but if it isn't then I'm sorry
I think format? or formula?
You think about the junk while doing the junk to answer the junk.
i hope i helped (;
