Short Answer: A
Long Answer:
All the things listed in A are well known greenhouse gases. In 'B', there are no greenhouse gases, and 'C' contains no greenhouse gases either. (No gases)
The correct answer is: [C]: "xerophytes" .
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Answer:
The first option and the last two
Explanation:
How do you make your k12 look like that? I'm jealous :|
Answer: B
Explanation: in took the test