Eliminate heat energy at the rate of approximately, Biology

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A large leaf on a plant in bright sunshine evaporates 5 grams of water per hour. Cooling the leaf through evaporation in this manner enables the plant to eliminate heat energy at the rate of approximately: A. 5 cal per hour D. 2.9 kcal per hour B. 116 cal per hour E. 34.8 kcal per hour C. 580 cal per hour.


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