The essential role of air in the growth of gr | vedclass

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(A) Joseph Priestley,in $1770$,performed a series of experiments that revealed the essential role of air in the growth of green plants.He demonstrated

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Priestley

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(A) Joseph Priestley,in $1770$,performed a series of experiments that revealed the essential role of air in the growth of green plants.He demonstrated that plants restore to the air whatever breathing animals and burning candles remove.He placed a burning candle in a closed bell jar,which soon extinguished,and a mouse in a similar jar,which soon suffocated.When he placed a mint plant in the same bell jars,he found that the candle continued to burn and the mouse stayed alive,proving that plants purify the air.

The essential role of air in the growth of green plants was revealed by

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