How can the animal be helped to survive for a longer time?
A) By placing another mouse in it
B) By placing a green plant in it
C) By removing all the air through a vacuum pump
D) By placing a burning candle in it
Correct Answer: B
Solution :
The animal that is kept in the jar uses oxygen and releases carbon dioxide while respiring. If we place a green plant in the jar, the plant uses \[C{{O}_{2}}\] and releases oxygen which enables the animal to breathe and survive for a longer time.
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