9th Class Science Natural resources Question Bank 9th CBSE Science Natural resources

  • question_answer
      How does the construction of dams affect the temperature of water beyond the dam? What is its impact on the biotic community in the rivers and ponds?

    Answer:

                      Water inside the deep reservoir remains cold but vapour at the surface gets heated up by the Sun. Sudden release of cold water into the rivers and ponds encourages growth of some organisms and harms other organisms. Thus, it disturbs the balance among various organisms which had been established in that system.


You need to login to perform this action.
You will be redirected in 3 sec spinner