Oxygen, carbon, hydrogen and _____________ make up the four majority elements in the human body.

Oxygen, carbon, hydrogen and _____________ make up the four majority elements in the human body.
A . calcium
B. [sodium
C. potassium
D. nitrogen

View Answer

Answer: D

Explanation:

Elements are pure substances that are composed of a single type of atom. The fourth element missing from this statement is nitrogen, which is a key component of the amino acid chains that comprise proteins. Nitrogen is also found in the DNA and RNA of our gene codes.