The four activities based on 3-R approach are following:
(i) Adoption of solar cookers for cooking instead of use of LPG.
(ii) Avoiding wastage and overuse of water.
(iii) Recycle all the discarded household items such as plastic bottles, paper etc.
(iv) Adopting environment friendly ways such as drinking soft drinks in glass bottles instead of pearlpet.
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The gas A is usedLakhmir Singh & Manjit Kaur- Biology
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