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Q: It is not advisable to sleep under a tree at night  because of release of

  • 1
    oxygen in a lesser quantity than the required levels
  • 2
    oxygen in large amounts
  • 3
    carbon monoxide
  • 4
    carbon dioxide
  • उत्तर देखें
  • Workspace

Answer : 4. "carbon dioxide"
Explanation :

Answer: D) carbon dioxide Explanation:

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