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In a particular country in 1999,the average worker had to work 20 hours to produce 55 units of output.In that same country in 2009,the average worker needed to work 28 hours to produce 77 units of output.In that country,the productivity of the average worker
Diffusion Coefficient
Measure of how easily a gas diffuses through a liquid or tissue.
Surface Tension
The elastic tendency of a fluid surface which makes it acquire the least surface area possible.
Lung Recoil
Decrease in the size of an expanded lung as a result of a decrease in the size (volume) of its alveoli; due to elastic recoil of elastic fibers surrounding alveoli and water surface tension of a thin film of water within alveoli.
Respiratory Muscles
The muscles involved in the process of breathing, including the diaphragm and intercostal muscles.
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Q231: Productivity is defined as the quantity of