Answer
Oxygen (O)
Carbon (C)
Hydrogen (H)
Nitrogen (N)
Nitrogen is prevalent in proteins and nucleic acid.
Work Step by Step
Oxygen, Carbon, Hydrogen, Nitrogen form the bulk of our body matter, approximately 95 percent.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.