Air is made up of many gases. Which gas is found in the greatest amount?
A B C D
Nitrogen Oxygen Carbon dioxide Hydrogen
Question: Air is made up of many gases. Which gas is found in the greatest amount?
(A) Nitrogen
(B) Oxygen
(C) Carbon dioxide
(D) Hydrogen

Answer: (A) Nitrogen
Answer: (C) Carbon dioxide
Question: Air is made up of many gases. Which gas is found in the greatest amount?
(A) Nitrogen
(B) Oxygen
(C) Carbon dioxide
(D) Hydrogen
Answer: (A) Nitrogen