Question

All are ways to combat water pollution except

Regulation for water usage in urban areas
Dumping oil down the drain
Responsible waste disposal for companies
Building of wastewater treatment plants
@AlexandervonHumboldt2

Answer 1

Dumping oil down the drain i tihnk it wil harm the water

Answer 2

are you sure?
@AlexandervonHumboldt2

Answer 3

i think so

Answer 4

sory

Answer 5

ok :)