Q. Natural reservoir of phosphorus is
A) Sea water
B) Animal bones
C) Rock
D) Fossils
Explanation
[Solution from source] Phosphorus has no significant gaseous phase, and its natural reservoir is phosphate-bearing rock, which releases phosphate on weathering. Bones and fossils hold only small, secondary amounts. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.