Question

How can economic activities he classified?​

Answer 1

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The Primary Sector that is raw materials. The Secondary Sector, which comprises industry and manufacturing. The Tertiary Sector that is services. The Quaternary Sector, which we also appeal to the 'knowledge sector.

Answer 2

Answer:

There are four basic categories of economic activities:

The Primary Sector that is raw materials. The Secondary Sector, which comprises industry and manufacturing. The Tertiary Sector that is services. The Quaternary Sector, which we also appeal to the 'knowledge sector.