World Geography
The ground water that occurs when flow of the subterranean water is not confined by the presence of impermeable layers is called

unconfined groundwater
confined groundwater
aquifer
artesian

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World Geography
Which among the following statements is/are correct about Cenotes?Cenote is a natural pit or sinkhole resulting from the collapse of limestone bedrock that exposes groundwater underneath.Cenotes are commonly found on high altitude regions of the world.Select the correct code from the options given below:

Only 1
Only 2
Neither 1 & 2
Both 1 & 2

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