The event of the water cycle that involves the biosphere would be leaves releasing water vapor into the air.
What is a biosphere?
The biosphere is the portion of the earth that holds life. In other words, the biosphere includes all the living organisms on the planet. Anything that has to do with the biosphere must directly have to do with life or living organisms.
The water cycle has to do with the cycle of water among the different spheres of the earth. Plants carry out evapotranspiration during which water evaporates off their leaves when the stomata open.
Thus, evapotranspiration is a process in the cycle of water that has to do with the movement of water from the biosphere (the plant) to the atmosphere (the air0.
More on the biosphere can be found here: https://brainly.com/question/15083566
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