Pollution of water originates mainly from human activities.
What do you mean by the term PCB ?

Pollution of water originates mainly from human activities. How do chemical pollutants cause eutrophication?

Pollution of water originates mainly from human activities. Mention the adverse effects of high fluoride concentration in drinking water.

What do you mean by the Nucleosides ?

What do you mean by leaching?

What do you mean by precision?

What do you mean by eddy current?

What do you mean by global warming?