What is the range of carbon dioxide in the air?
Correct answer: B. 0.03-0.04%
- A. 0.003-0.004%
- B. 0.03-0.04%
- C. 0.3-0.4%
- D. 3-4%
Explanation
The correct answer is Option B:0.03-0.04%. The range of carbon dioxide in the air is typically around 0.03-0.04%. Options A, C, and D are incorrect because they either have the decimal point in the wrong place or are off by a factor of 10.
Last updated