Dav class 8 social science chapter 1 question answer
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1.ans. first utility and value of resources vary from time to time and place to place for example 1. early human civilization florist along the river valley as they use water for irrigating feild 2. now human beings are using water for generating energy irrigation navigation and industries 3. China and United State of America USA are generating more energy than India 2.ans human beings are considered the most important source of development because they are and asset it is only with the help of human skill that the other resources can be developed .
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