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Forests help maintain the balance of oxygen and which gas in the atmosphere?

ANitrogen gas
BHydrogen gas
CMethane gas
DCarbon dioxide
Answer & Solution
Correct answer: D. Carbon dioxide
1. Plants take in carbon dioxide. 2. They release oxygen. 3. This is why forests are lungs. _Source: syllabus Science, Chapter 17, Forests: Our Lifeline._
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