II. Fill in the blanks.
1.
and
are form of fossil fuels.
2. The stock of resources for future use is called
resource.
3.
resources are substances obtained from living things.
4.
resources are obtained from livestock.
5.
resources are extracted from deep beneath the earth.
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Answer:
i dont understand so sorry
Explanation:
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1. Coal , crude oil and natural gas
2. esource: Anything which has some utility for us is called a resource. Some resources have economic value, while some do not. 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.
2. esource: Anything which has some utility for us is called a resource. Some resources have economic value, while some do not. 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.
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