Question

18.What do you understand by water table? Name the factors that affect the water

table​

Answer 1

Answer:

The water table is an underground boundary between the soil surface and the area where groundwater saturates spaces between sediments and cracks in rock. Water pressure and atmospheric pressure are equal at this boundary. ... Underneath the water table is the saturated zone, where water fills all spaces between sediments.

the factors that effect are :-

Seasonal rainfall and droughts.

Salt contamination.

Nitrates and phosphates from fertilizers.

Bacteria from barnyard runoff or septic systems.

Pesticides and fertilizers.

Explanation:

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Answer 2

Answer:

water table is a upper surface of the zone of saturation

factors that affect water table are

(l) salt contamination

(2) pesticides and fertilizers

(3)Nitrates and phosphates from fertilisers