TEXT 1What is water pollution? Water pollution is what happens when factories, wastewater treatment
plants, construction sites, and people put things in the water that make it dirty. At one, factories dumped untreated waste into the water. This is anexample of water pollution. Not only does water pollution come from what is dumpedinto the water, but what is dumped on the land. When you put trash in a storm drain, toilet or in a body of water (rivers, lakes, streams, oceans) it causes the water to be polluted. Just think, if someone were changing their oil on their car and they dumped the oil on theground, what would happen? Would you want to eat the fish that came from a waterway where you knew that oil went? Even today, accidents on ships and off-shore drilling rigsspill oil into the oceans. Animal waste run off from livestock feedlots seeps intogroundwater, lakes, rivers and streams that eventually make it to the ocean. Fertilizers and pesticides wash off from fields and forests and soak into lakes, rivers, streams and groundwater. Wastes from mines drain into water. Garbage disposals and toilets are also a largewaste contributor
The main idea of the text is

A. sources of water pollution are varied
B. some materials are potential pollutants
C. water pollution is caused by many factors
D. human activities are main causes of pollution
E. water pollution is a body of water affected by impurities in it

tolong bantu saya kak sama penjelasannya ya​