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kakasveta [241]
3 years ago
8

Humans have greatly increased the level of in the atmosphere. O A. argon B. oxygen O . C. carbon dioxide O D. nitrogen

Biology
2 answers:
Radda [10]3 years ago
7 0

Answer:

C

Explanation:

Think of the greenhouse effect. The burning of fossil fuels causes carbon dioxide emissions.

hammer [34]3 years ago
6 0

Answer:

Humans have greatly increased the level of in the atmosphere. O A. argon B. oxygen O . C. carbon dioxide O D. nitrogen

=carbon dioxides

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