It is the loss of water from leaves surface. it happens when gaseous form of water diffuses into the ground cells of a leaf and then eventually escapes from the guard cells.
The term is used for the process of water evaporating from the plants. In the water cycle, the water is evaporated from both water bodies and plants. In deserts, this process is a huge burden on the plants, as there is a scarcity of water and the water stored in them, are being evaporated.
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