Soil fertility is reduced by
crop rotation
nitrogen fixing bacteria
decaying organic matter
intensive agriculture
____________ resources are those whose entire quantity may not be known as these are not being used at present.
Natural
Physical
Actual
Potential
Which type of natural resources cannot create any more if once used up?
evitable
exhaustible
renewable
inexhaustible
___________ resources could be used in the future.
Economic
______________ resources are non-living.
Abiotic
Biotic
None of these
_____________ resources are being used in the present.
Largest amount of fresh water is found in
Lake and streams
under ground
Polar ice and glaciers
river
Geo-thermal energy is
Non-renewable non conventional energy source.
non- renewable conventional energy source
renewable non conventional energy source
renewable conventional energy source
Natural resources are divided into ____________.
Two
Three
Four
Five
Resources that are drawn from nature and used without much modification are called ______________.
Physical resources
Natural resources
Economic resources
Potential resources