Discussion :: Lithosphere
- In an artesian well, in what order the rock-layer are generally found? (from bottom to surface)
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A.
Permeable, non-permeable and permeable |
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B.
Non-permeable and permeable |
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C.
Permeable and non- permeable |
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D.
Non-permeable, permeable and non-permeable |
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Answer : Option D
Explanation :
In an artesian well, the rock-layer are generally found in Non-permeable, permeable and non-permeable order. Permeable layers of rock that store and transport water are called aquifers. While porosity and permeability usually go hand-in-hand, though some porous rocks are not permeable and some impermeable rocks are porous. Permeability is affected mostly by the size and arrangement of the grains in the soil.
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