I think it could be nonrenewable
If a HYPOTHESIS is wrong scientists come up with a conclusion, the hypothesis doesn't matter for the result. It is just an educated guess based on the results they expect our hope the achieve.
Answer:
A lot of carbon passes through the atmosphere and into the biosphere through the plants consuming it, or in other words, photosynthesis, and the plants waste is oxygen, which animals breathe and turn into carbon dioxide
TL;DR Plants enter carbon into the biosphere and animals release it into the atmosphere
I would say keep the soil from eroding and doesn't let it get dried out so fast.
Answer:
Your question was a bit vague... but Crenarchaeota, Euryarchaeota, Korarchaeota, Thaumarchaeota and Nanoarchaeota are the four types of Archaea.
Hope this helps!