How does improving technology in primary and secondary sector jobs lead to more workers in the tertiary sector?

Responses may vary but should include some or all of the following information: Primary-sector jobs are focused on obtaining natural resources or raw materials. Farming, fishing, mining, and logging are primary-sector jobs. Primary-sector jobs turn raw materials or resources into usable finished products. Processing, manufacturing, and construction are secondary-sector jobs. The primary and secondary sectors provide the basics that people need. When there is little technology, it takes a lot of workers to provide these basics. However, as technology improves (e.g. bigger and faster farm equipment and robots in factories), machines do more of the work. It takes fewer and fewer people to produce what is needed from the primary and secondary sectors. The extra workers are now available to take jobs in the tertiary sector, providing more and different services for others.

Explanation:

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many citizens are in danger of contracting a food-borne illness.

more people are living with chronic illnesses.

pathogens are becoming stronger and harder to defeat.

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