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

  • question_answer
      Why is water essential for life?    

    Answer:

                      Human body constitutes 60%-70% of water. All the substances are transported from one part of the body to the other in a dissolved form. Almost all the cellular processes take place in water medium. In fact all the reactions that take place within our body occur between substances that are dissolved in water. Hence, water is essential for life.


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