Question

Which process(es) of the water cycle— precipitation, evaporation, condensation, runoff, percolation or transpiration— that might contribute to the addition of pollutants to rivers, lakes, oceans? Why?

Answer 1

Runoff percipatation contributes to the dirty water because the rain water picks pollutants from the water and than it falls to the earth and than water continues and spreads into the large body of waters