How human ground water is obtained

In other areas groundwater is polluted by human activities. Water in aquifers is brought to the surface naturally through a spring or can be discharged into lakes and streams. Groundwater can also be extracted through a well drilled into the aquifer. A well is a pipe in the ground that fills with groundwater.

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Free water migrating within rock pores, cracks and fissures is called groundwater. Groundwater constitutes the largest source of water used by Man for drinking and for many other purposes. It circulates in porous rocks called aquifers.

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Explanation:

c should be the answer