IMPROVEMENTS IN AGRICULTURE

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6 Theories of Population Growth

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Factors of Production of a T-Shirt

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Food Security

luonut Katie McKenzie

Public Relations

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rebirth of cities

consequences

less hunger

increase population

trade

charters of liberty

IMPROVEMENTS IN AGRICULTURE

increase the extension of agricultural land

cutting down trees

windmills watermills

Fallow 3 years crop rotation

Heavy plough

less workers

irrigation

increase production

healthy diet