Page 2 - 3,HA-(Worksheet)-Water Harvesting, Coal & Petroleum
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Q.8    ‘’We need to use fossil fuels judiciously.’’ Justify. State any four reasons.

                  Q.9    (a)  Suggest three approaches towards the conservation of forests.
                         (b)  Suggest two ways by which balance between environment and industrial
                            development is maintained so as to help undisturbed survival of the
                            organisms on the earth.
                                     .
                 Q.10  (a) What is water harvesting?
                         (b) Mention any two water harvesting structures.
                         (c) List two benefits derived by the communities that participate in watershed
                         management system?
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