Which of the following is a greenhouse gas? (2020)

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Question: Which of the following is a greenhouse gas? (2020)

Options:

Correct Answer: Carbon dioxide

Exam Year: 2020

Solution:

Carbon dioxide is a greenhouse gas that contributes to the greenhouse effect and global warming.

Which of the following is a greenhouse gas? (2020)

Which of the following is a greenhouse gas? (2020)

Step 1: Understand what a greenhouse gas is. A greenhouse gas is a gas that traps heat in the atmosphere.
Step 2: Identify common greenhouse gases. Some examples include carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O).
Step 3: Look at the options given in the question to see if carbon dioxide is listed.
Step 4: Confirm that carbon dioxide is indeed a greenhouse gas by checking its role in the greenhouse effect.
Step 5: Conclude that carbon dioxide is a greenhouse gas that contributes to global warming.

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