"The term "biogeochemical," tells us that biological, geological and chemical factors are all involved. The circulation of chemical nutrients like carbon, oxygen, nitrogen, phosphorus, calcium, and water etc. through the biological and physical world are known as biogeochemical cycles. In effect, the element is recycled, although in some cycles there may be places (called reservoirs) where the element is accumulated or held for a long period of time (such as an ocean or lake for water)."
Answer:
I would select
A and C
Explanation:
Biotic factors are those of which are living
Which Buffers are you referring too?
Answer:
Full or New Moon + Perigee