SSC MTS EXAM

SSC

PHYSICAL GEOGRAPHY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is a layer of rock or sediment that holds water?
A
glacier
B
well
C
aquifer
D
natural spring
Explanation: 

Detailed explanation-1: -An aquifer is a body of rock and/or sediment that holds groundwater. Groundwater is the word used to describe precipitation that has infiltrated the soil beyond the surface and collected in empty spaces underground.

Detailed explanation-2: -Groundwater is water that has infiltrated the ground to fill the spaces between sediments and cracks in rock.

Detailed explanation-3: -Sedimentary rocks such as sandstone and limestone are good aquifers. Rocks that are impermeable make confining layers and prevent the flow of water. Examples of confining layers would be sedimentary rocks like shale (made from tiny clay and silt grains) or un-fractured igneous or metamorphic rock.

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