What could be the harmful effects of improper management of industrial and domestic solid waste in a city ?

What are harmful effects of sewage?

What are the harmful effects of oxides of sulphur'?

What is the harmful effect to hyperacidity ?

What are harmful effects of oxides of nitrogen ?

What is addiction? Give the harmful effects of tobacco smoking.

What is air pollution ? What are the harmful effects of sulphur dioxide , nitrogen dioxide and hydrogen sulphide present in the air ?

What are the harmful effects of photochemical smog and how can they be controlled?

What is Acid rain ? What are its harmful effects ?

What are algal blooms? How are they formed? Give two harmful effects of formation of algal blooms in an aquatic body.

What is the effect of Frenkel defect on the electrical conductivity of crystalline solids ?