It is not advisable to sleep under trees at night because – McqOptions

MCQOPTIONS

1.	It is not advisable to sleep under trees at night because
A.	They release CO₂ at night
B.	They leave O₂ at night
C.	They release CO₂ and O₂ during the night.
D.	none of these
Answer» B. They leave O₂ at night

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