alleryWhich process is the downward flow of water through soil and rocks under gravity?
AAdvection
BSublimation
CTranspiration
DPercolation
Answer & Solution
Correct answer: D. Percolation
1. Once water is in the ground, gravity pulls it down through soil and rock.
2. This vertical flow is percolation.
3. Advection moves water in the air, sublimation is ice to vapour and transpiration comes from plants.
_Source: Wikipedia, Water cycle, Overall process_
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