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Which of the following could not result in an increase in labor productivity?
Activated Charcoal
A form of carbon processed to have small, low-volume pores that increase the surface area available for adsorption or chemical reactions, often used in filtering and detoxifying.
Buffer Zones
Areas created to separate incompatible uses or to protect sensitive areas, often used for environmental protection or to reduce conflicts.
Transition Zone
A region within the Earth's mantle between the upper mantle and the lower mantle, characterized by changes in seismic velocity.
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