3.Which among the following is the correct decreasing of bio elements in Human Body? [A] oxygen, hydrogen, Carbon, nitrogen, calcium, and phosphorus [B] oxygen, carbon, nitrogen, hydrogen, calcium, and phosphorus [C] oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus
Notes: In the human body the most common bio-elements (in decreasing order of occurrence) are oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus.
