Question

How can substances be changed into resources? Explain with the help of example?​

Answer 1

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For example; milk has economic value, but a beautiful landscape has no economic value. But both are important because both satisfy some human needs. 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.

Answer 2

Answer:

Time and technology are the two important factors that can change substance into resources. ex-milk has economic value but a beautiful landscape has no economic value. but both are important because they satisfy some human need.