Answer:
The ways in which an element—or compound such as water—moves between its various living and nonliving forms and locations in the biosphere is called a biogeochemical cycle. Biogeochemical cycles important to living organisms include the water, carbon, nitrogen, phosphorus, and sulfur cycles.
Explanation:
Yes indeed it is, I actually didn’t know that tho
Answer is: each base can attch to only one other type of base
