List at least five important sources responsible for water pollution.</h2></div>

What is the major source of fresh water in the city/town/village? where can you live? Do you know of any activity which …

Which of the following is used in organic farming?</h2></div>

When domestic sewage mixes with river water </h2></div>

Water pollution can be caused due to:</h2></div>

At what dose does nuclear radiation create various disorders?

Mention how e-waste is produced and disposed off. Write the solution for its treatment.</h2></div>

What is the farming called in which there is less use of chemicals and lesser production of waste?