In a certain area where there are many farms, the groundwater levels have dropped by as much as 10 m over a period of 30 years. The main cause behind this is MOST LIKELY
Question 1 options:
the leakage of fertilizers from the farms into the aquifer.
the evaporation of water from aquifers.
the excessive pumping of water through wells.
the construction of a dam to divert water into a reservoir.