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Which of the following is not an air pollutant?

1. carbon dioxide
2. carbon monoxide
3. particulate matter
4. sulfur dioxide

User Carmita
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2 Answers

5 votes
CO2 is not a pollutant it is found naturally in our atmosphere
User Luke Knepper
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13 votes
Answer: 1. Carbon dioxide is not an air pollutant

Explanation: it can be toxic and or safe
User Pablochan
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