Unconfined aquifers more vulnerable to pollution from runoff and underground seepage than confined aquifers because as water seeps into the soil, contaminants on the ground surface may enter the unconfined aquifer.
<h3>What is Unconfined aquifers?</h3>
- Unconfined aquifers, sometimes known as "water table aquifers," are more susceptible to surface pollution contamination than confined aquifers.
- An aquifer with a water table, also known as an unconfined aquifer, has its upper water surface at atmospheric pressure, allowing it to rise and fall.
- Unconfined aquifers are found underneath a permeable layer of soil, whereas confined aquifers are covered by an impenetrable layer of rock or clay.
- Aquifers can be formed by a wide variety of sediments and rocks, including gravel, sandstone, conglomerates, and fractured limestone.
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Answer:
So reservoir will take 455000 sec to raise 35 cm
Explanation:
We have given surface area of the reservoir = 650000
Rate of flow = 0.5 m/sec
Height through which reservoir is raise = 35 cm = 0.35 m
So volume
We have to calculate the time
Time is given by
Answer:
A
Explanation:
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