___________ are very important for the development and growth of industries.

'Project Tiger' in India was started in

_____________ are those resources whose quantity is known.

Main renewable source of energy is

Soil salinity is measured by ------

On the basis of origin, resources can be classified into ________.

Biomass produced by plants in oceans accounts for?

Which type of natural resources cannot create any more if once used up?

Resources that are drawn from nature and used without much modification are called ______________.

______________ resources are non-living.