Page 1 - 2. Lesson Notes - Ganga Action Plan 5Rs
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SAI International School
                                            Subject-Biology, Class- X
                       Chapter- Sustainable Management of Natural Resources
                                      Subtopic- Ganga Action Plan, 5 R
                                                     Module- 33
                                                   Lesson Notes



































               Natural Resources

              Anything in the environment which can be used is called a natural resource.
               Natural Resources includes total natural environment that support human life and
               contribute to the production of necessities and comforts to mankind.
               So natural resources are the components of atmosphere, hydrosphere and
               lithosphere.

             Types of Natural Resources: On the basis of abundance and availability, the natural
               resources are of two types
                      Inexhaustible.
                      Exhaustible.
             (a)  Inexhaustible: These are in plenty and cannot be exhausted by man’s
             consumption. For example, air, sand, clay etc. It gets affected by the over-population of
             mankind.
             (b) Exhaustible: These are limited and can get exhausted over a period of time, i.e.,
             coal, petroleum etc.

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