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Describe the structures and functions of the two layers that compose the pericardium surrounding the heart.
Demand
The quantity of a good or service that consumers are willing and able to purchase at various prices during a specified time period.
Agricultural Products
Goods produced through farming and agriculture, such as crops and livestock.
Labor Force
The total number of people employed or actively seeking employment in a country or specific economic sector.
Agriculture
The practice of cultivating the soil, growing crops, and raising livestock for human use and consumption.
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