Leaves, dikes, and reservoirs were all part of their irrigation and flood preventing things. When the Nile flooded each year, the water would rush into the reservoirs and dikes and keep the villages next to the Nile from flooding.
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Seems to me like it would be volume
Peter I, also known as Peter the Great, was the tsar and emperor of Russia from 1682 to 1725. He played a crucial role in westernizing Russia by changing its economy, government, culture, and religious affair so again C
Answer: C
They paid artists for their work