题目

GEOL0076_25-26 End Of Term Quiz - 60 minutes

多项选择题

Which of the following statements are true? (you can select multiple)

选项

A.a. Aquifers are always confined by aquitards above and below.

B.b. Gravels and sands are typical aquifer materials.

C.c. Aquifers have high porosity and permeability, allowing water to flow easily.

D.d. Clay and mudrocks act as aquitards because they impede water flow.

E.e. Aquitards are impermeable and cannot store any water.

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标准答案

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思路分析

This question asks which statements about aquifers and aquitards are true, with multiple selections allowed. We will assess each option on its own merits before grouping the overall truths. Option a: 'Aquifers are always confined by aquitards above and below.' This statement is not accurate. Aquifers can be unconfined (water table aquifer) where the upper boundary is the water table, not an aquitard, and they can also be confined if bounded by aquitards. The word ......Login to view full explanation