Questions: An increase in atmospheric effect leads to an increase in the greenhouse A. ozone B. chlorofluorocarbons C. nitrogen D. carbon dioxide

An increase in atmospheric effect leads to an increase in the greenhouse
A. ozone
B. chlorofluorocarbons
C. nitrogen
D. carbon dioxide
Transcript text: Question 4 of 10 An increase in atmospheric $\qquad$ effect. leads to an increase in the greenhouse A. ozone B. chlorofluorocarbons C. nitrogen D. carbon dioxide
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Solution

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Solution Steps

Step 1: Understanding the Greenhouse Effect

The greenhouse effect is a natural process where certain gases in Earth's atmosphere trap heat, preventing it from escaping into space. This process keeps the planet warm enough to support life. However, an increase in these gases can lead to global warming.

Step 2: Identifying Greenhouse Gases

The primary greenhouse gases include carbon dioxide (CO₂), methane (CH₄), nitrous oxide (N₂O), and chlorofluorocarbons (CFCs). These gases are known for their ability to trap heat in the atmosphere.

Step 3: Analyzing the Options
  • A. Ozone: While ozone in the stratosphere protects us from harmful UV radiation, it is not a major contributor to the greenhouse effect.
  • B. Chlorofluorocarbons (CFCs): These are potent greenhouse gases and contribute to the greenhouse effect.
  • C. Nitrogen: Nitrogen makes up a large portion of the atmosphere but is not a greenhouse gas.
  • D. Carbon Dioxide (CO₂): This is the most significant greenhouse gas due to its abundance and role in trapping heat.

Final Answer

The increase in atmospheric carbon dioxide leads to an increase in the greenhouse effect. Therefore, the correct answer is:

\(\boxed{\text{D. carbon dioxide}}\)

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