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Which substance is a greenhouse gas that is emitted by human activities, is the most widespread, and remains in the air the longest?

2 Answers

6 votes

Answer:carbon dioxide

Explanation:carbon dioxide is a greenhouse gas emmited due to human activities

User Damageboy
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4 votes

Answer:

I am not really sure, but it is probably Carbon Dioxide

Step-by-step explanation:

User Nefreo
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