Question

96% of the human body is made up of 4 elements. these elements include: a calcium, hydrogen, iodine, carbon b carbon, phosphorus, oxygen, nitrogen c calcium, oxygen, iodine, phosphorus d carbon, hydrogen, oxygen, nitrogen

Explanation:

The human body's major elements (making up ~96%) are Carbon (C), Hydrogen (H), Oxygen (O), and Nitrogen (N). Option A has Calcium and Iodine (not major), B has Phosphorus (not one of the four main), C has Calcium and Iodine (not major). Only D has the correct four.

Answer:

D. Carbon, Hydrogen, Oxygen, Nitrogen