how does the value of a resource change from one category to other
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mark as BRAINLIEST bro PLEASE help
Explanation:
ii) Sample variance
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Some resources have economic value, while some do not. For example; milk has economic value, but a beautiful landscape has no economic value. ... Time and technology are two important factors which can change a substance into resources. For example; petroleum was not a resource before people learnt to use it.
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