<span>Osteoporosis is most likely to be affected by : Phosporus cycle.
basically, our skeleton are the warehouse of two substance, calcium and phosporous. If our skeleton has insufficient amount of these two susbtance, it will weakened its composition and caused the osteoporosis</span>
Answer: I think its B
Explanation: I hope this helps :)
C. Eukaryotic heterotroph correctly describes animals, and fungus or bacterias would would be prokaryotic.