Classify the given sources of water pollution as natural and man made.<br> (i) Domestic waste<br> (ii) Dead …

Phosphate pollution is brought about by</h2></div>

<span>Advantages of organic farming is (are)</span></h2></div>

Ozone hole refers to </h2></div>

Mention the information that health workers derive by measuring BOD of a water body.</h2></div>

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

Write one harmful effect of deforestation on environment.</h2></div>

Deforestation leads to many changes in the following but they are not in the right order. Arrange them in proper sequenc…