alleryWho showed that sunlight is essential for plants to purify air fouled by burning candles?
AJoseph Priestley
BJan Ingenhousz
CJulius von Sachs
DT.W. Engelmann
Answer & Solution
Correct answer: B. Jan Ingenhousz
Ingenhousz repeated Priestley's set-up once in the dark and once in sunlight and found that light was needed for the air to be restored.
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