ITFT Natural resources
natural resources, renewable resources, exhaustible resources
Published on: Mar 3, 2016
Transcripts - ITFT Natural resources
Resources are defined as a source of supply or
support that is usually held in reserve, it
means support, it is something which meets
the needs of a man.
“Re” means again and sources means place
from where something comes again and again
Natural Resources are those gifted by nature.
A substance becomes a resource when it is
• On the basis of availability and abundance
natural resources can be classified into two
• Inexhaustible Resources
• Exhaustible Resources
• These Resources are present in unlimited
quantity in nature and they are not likely to be
exhausted by human activities.
• Some of the inexhaustible Resources remain
unaffected by human activity in term of
quality and quantity while many other
undergo some changes in their quality while
others may undergo some changes in their
quality. E.g. air.
• Other examples of inexhaustible resources are
solar energy, wind energy etc
• These resources are provided by nature in
limited quantity and their constant use is likely
to exhaust them in near future.
• These Resources can further be classified into
• a) Renewable Resources
• b) Non Renewable Resources
• These resources have a tendency to
regenerate themselves within a reasonable
time by processes such as recycling,
reproduction or replacement.
• Examples: Plants, Water etc
• However if the rate of reproduction of these
sources is less than the rate of consumption a
time will come when they will get completely
• These resources cannot be regenerated or
recycled or replaced after use.
• The sources which take a very long period for
recycling are also regarded as non renewable
• Examples: Coal, Petroleum.