The water present on the earth's surface is referred to as:

________ studies the inter relationship between human beings and their environment.

The atmosphere has life giving carbon dioxide for ___________.

The narrow zone where the lithosphere, hydrosphere and atmosphere meet and interact is called the _________.

The term environment comes from the _________ word 'environer'.

_____________ is the source of water vapour in the atmosphere which is essential for rainfall.

The _________ provides land for building houses, roads, factories and for agriculture.

On ____________ every year World Environment Day is celebrated.

The Industrial Revolution in __________ enabled large-scale production of goods.

Camels,snakes, lizards, many insects, sand are the things we can see in the ___________.