प्रश्न 5 कृत्रिम योनि के उपयोग के दो लाभ लिखिए
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It is important to conserve resources as many resources are scarce and take millions of years to develop. Over exploitation of resources may exhaust them. Thus, we need to conserve resources. To use the resources carefully and to give time to renew them is known as conservation of resources.
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