Which of these is a type of non point source pollution that might occur on a farm A.oil dripping from the pump for a water well
B. Excess pesticide deposited in a dump after a treatment C. Old bags of nitrogen fertilizer left in a leaky barn D. Excess salt deposited in the soil when irrigation water evaporates
D. Excess salt deposited in the soil when irrigation water evaporates
Explanation
A combination of pollutants from large area instead of a specific identifiable source is constitute the non point source pollution. For example, a runoff can be referred as a non point source pollution because collected water in emptied into water bodies after obtaining contaminants from the areas it passed through.
