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What is Transpiration Experiment with Petroleum Jelly about?

A student conducted an experiment to investigate transpiration in leaves. The student removed four leaves from a plant and covered different surfaces of the leaves with petroleum jelly. After several hours, the student measured the mass of each leaf again. The results showed little change in mass for leaves with the lower surface covered, but a change in mass for leaves with the upper surface covered or no covering. However, the conclusion that transpiration mainly occurs through the upper surface of leaves

Author

Zawad7

Language

EN