0.94
0.03
78.03
85.02
Answer is Right!
Answer is Wrong!
The correct answer is C. 78.03.
Nitrogen is the most abundant element in the Earth’s atmosphere, making up about 78% of the air we breathe. It is a colorless, odorless, and tasteless gas that is essential for life. Nitrogen is used in many different ways, including the production of ammonia, fertilizers, and explosives.
Option A is incorrect because it is the percentage of oxygen in the air. Option B is incorrect because it is the percentage of argon in the air. Option D is incorrect because it is the percentage of carbon dioxide in the air.