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ECONOMIC ACTIVITIES. ECONOMIC SECTORS. The levels increase based on distance from the natural environment Primary Sector Secondary Sector Tertiary Sector Quaternary Sector. PRIMARY SECTOR. This sector extracts or harvests materials from the earth. Involves the production of raw materials.
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ECONOMIC SECTORS • The levels increase based on distance from the natural environment • Primary Sector • Secondary Sector • Tertiary Sector • Quaternary Sector
PRIMARY SECTOR This sector extracts or harvests materials from the earth. Involves the production of raw materials. 3% of the US population is in this sector today, compared to 67% in the mid-19th Century.
SECONDARY SECTOR The secondary sector involves the processing of raw materials into finished products.
TERTIARY SECTOR Service Industries Interactions among people and businesses
QUATERNARY SECTOR This sector is concerned with intellectual activities