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The greenhouse effect is caused by a building up in the atmosphere. Which of the following gases is a concern?

a. sulfur dioxide
b. carbon dioxide
c. oxygen
d. nitrous oxide

2 Answers

1 vote

Answer:

B. Carbon dioxide.

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User Mike Elkins
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4 votes

Answer:

b

Step-by-step explanation:

it is a major culprit in global warming

User Vihana Kewalramani
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