Wher from pollutants enter to the water sources?

Write some pollutants and their sources.

We should think of ………………… to stop pollutants enter in water.

Are there any visible pollutants in the water sample ?

Water pollution

What are the elements obtained from sea water source?

How do plant nutrients pollute water?

Water enters into roots through

Complete the blanks. The entering of pollutants in a food chain is called _____(1). The tendency of polluntants to concentrate as they move from one trophic level to another is called ____(2).

Water pollution depends on the nature of industry. Give examples.

Solar water heaters introduce ……………… pollutants into the environment.