More pollutant among fossil fuels is

… balls repel moths and other insects.

… is exhaustible source among these.

… is used for extraction of metals.

Plastic tables and plastic chairs are made with

Liquid gold is

These microbes, which were produced petroleum are appreciable

… is exhaustible fuel among the fuels given below.

Solar energy … source of energy.

Coal, petroleum and natural gas are called … fuels.

… is used in the manufacture of steel and extraction of many metals.

… is used for lighting.

This product of ‘coal’ protects from moths and insects to our clothes

Global warming is caused by

Which of the following is not a product of petroleum