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Which gas in Earth’s atmosphere has increased over time due to burning fossil fuels?

oxygen
nitrogen
water vapor
carbon dioxide

User Ulfhetnar
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2 Answers

6 votes

Answer:

d

Step-by-step explanation:

User Simon Pham
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8 votes

Answer:

D) Carbon Dioxide

Step-by-step explanation:

I hope this is right!

User Hoy Cheung
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