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प्रश्न
State four ways for the judicious use of energy.
टिप्पणी लिखिए
उत्तर
Four ways for the judicious use of energy are:
- The fossil fuels such as coal, petroleum, natural gas should be used only for the limited purposes when there is no other alternative source of energy available.
- The wastage of energy should be avoided.
- Efforts must be made to make use of energy for community or group purposes.
- The cutting of trees must be banned and more and more new trees must be roped to grow.
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