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

A)the evaporation of water from aquifers.

B)the excessive pumping of water through wells.

C)the leakage of fertilizers from the farms into the aquifer.

D)the construction of a dam to divert water into a reservoir

significant amounts of nitrogen oxides, carbon monoxide, and other pollution

explanation:

passenger vehicles are a major pollution contributor, producing significant amounts of nitrogen oxides, carbon monoxide, and other pollution. in 2013, transportation contributed more than half of the carbon monoxide and nitrogen oxides, and almost a quarter of the hydrocarbons emitted into our air.

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explanation:

it's not c. i took the quiz and got it wrong. so my best guess is b.

have a great day, and hope this .