Q. It is not advisable to sleep under a tree at night because of release of
A) oxygen in large amounts
B) oxygen in a lesser quantity than the required levels
C) carbon dioxide
D) carbon monoxide
✔ Correct Answer: carbon dioxide
Exam Insight
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A) oxygen in large amounts
B) oxygen in a lesser quantity than the required levels
C) carbon dioxide
D) carbon monoxide
✔ Correct Answer: carbon dioxide
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