Question

In 3–5 sentences, identify one human activity that has increased the amount of lead in drinking water. Then explain the water filtration method best suited to remove lead from the drinking water supply.

Answer 1

I know the filtration method is reverse osmosis.

Answer 2

in the past, lead was added to gasoline to improve automobile performance
... tetra-ethyl lead

use of the additive for over fifty years resulted in raised environmental lead levels

Answer 3

bro like no offense i just want the answer not how u got a job