Point Source: pipes from a power plant, leaking underground oil tank, paper factory, pollutants that come from a single site, Nonpoint Source: fertilizer run off, litter/trash, Pollutants that come from many places or unidentified sources, fertilizers from lawns and farms,

Point Source and Nonpoint Source Pollution Review

Ilg'orlar ro'yxati

Vizual uslub

Moslamalar

Namunani almashtirish

Tahrirlashni davom ettirish: ?