Biogeochemical cycles are important because they regulate the elements necessary for life on earth by cycling them through biological and physical aspects of the word.
Cells ?I believe :) hope this helps
<span>The answer is valid data. A scientific argument utilizes confirmation to present a defense for whether a logical thought is precise or erroneous. The desires created by a logical thought and the genuine perceptions significant to those desires from what we'll call a logical contention.</span>