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What is the main cause of the increase in atmospheric carbon dioxide levels?

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Question: What is the main cause of the increase in atmospheric carbon dioxide levels?

Options:

  1. Deforestation
  2. Volcanic activity
  3. Ocean absorption
  4. Photosynthesis

Correct Answer: Deforestation

Solution: 

Deforestation reduces the number of trees that can absorb CO2, leading to higher atmospheric levels.

What is the main cause of the increase in atmospheric carbon dioxide levels?

Practice Questions

Q1
What is the main cause of the increase in atmospheric carbon dioxide levels?
  1. Deforestation
  2. Volcanic activity
  3. Ocean absorption
  4. Photosynthesis

Questions & Step-by-Step Solutions

What is the main cause of the increase in atmospheric carbon dioxide levels?
  • Step 1: Understand that carbon dioxide (CO2) is a gas in the atmosphere.
  • Step 2: Know that trees and plants absorb CO2 from the air during photosynthesis.
  • Step 3: Realize that deforestation means cutting down trees.
  • Step 4: Recognize that with fewer trees, less CO2 is absorbed from the atmosphere.
  • Step 5: Conclude that this leads to an increase in atmospheric CO2 levels.
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