An animal placed in an airtight jar and is kept in sunlight, as shown in the figure. How can the animal be helped to survive for a long time?
A
By placing another mouse in it
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B
By placing a green plant in it
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C
By removing all the air through a vacuum pump
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D
By placing a burning candle in it
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Solution
The correct option is B By placing a green plant in it 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 CO2 and releases oxygen which enables the animal to breathe and survive for a longer time.