Which one is example for water pollutants?

Biogas mainly consists of -------------

The materials decomposed to non toxic, non poisonous substances by the action of certain ----------------

Which  of  the following is not a fossil fuel?

Any substance that lower the fertility of the soil  or degrades its characteristics  are called ------------.

A huge amount of energy stored in nucleus of an atom is called ---------------

The pressurised natural gas is called ----------------

Which of the following can be recycled?

---------------- harms the aquatic life or water bodies.

The inner surface of the solar cooker and the outer surface of the containers are painted ----------------