Once Groundwater Is Contaminated,it Is Very Difficult to Purify

question 99

Essay

Once groundwater is contaminated,it is very difficult to purify.Discuss this problem of groundwater sources of water with respect to the water cycle.

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Definitions:

Voluntary

Refers to actions or operations performed by an individual's choice, free from external compulsion or coercion.

Conservation of Number

A cognitive developmental milestone reached by children, usually by age 7, where they understand that the quantity of an item remains the same despite changes in its shape or arrangement.

Adjacent

Situated near or next to something else, typically with the implication of being directly neighboring or touching.

Experimenter

An individual who conducts scientific research to test hypotheses and observe outcomes in a controlled environment.