science
Grade-4-
Easy
Question
In the earth’s atmosphere, the presence of carbon dioxide is ______.
- 78%
- 21%
- 1%
- 0.1%
Hint:
0.1%
The correct answer is: 0.1%
- In Earth's atmosphere, the presence of carbon dioxide is 0.1% .
- Oxygen- 21%
- Nitrogen- 78%
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