What are the Four Most Common Elements Found in Living

Question

What are the four most common elements found in living organisms?
A)nitrogen, oxygen, phosphorus, and carbon
B)carbon, oxygen, nitrogen, and hydrogen
C)carbon, oxygen, potassium, and calcium
D)oxygen, calcium, hydrogen, and carbon

Accepted Answer

The four most common elements in living organisms are carbon, oxygen, nitrogen, and hydrogen, as they are essential components of organic molecules and biological processes.