The annual flooding of the Nile Valley before the construction of the Aswan High Dam was beneficial to Egyptian farmers primarily because it

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deposited rich alluvial silt that renewed soil fertility. The annual Nile floods deposited a layer of rich alluvial silt (nutrient-laden sediment) on the floodplain, naturally replenishing soil fertility and enabling productive agriculture in an otherwise desert environment. This was the primary agricultural benefit, not permanent water-table changes or sa

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A) provided irrigation water that raised the water table permanently

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B) deposited rich alluvial silt that renewed soil fertility

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C) flushed out salt deposits accumulated from the Mediterranean Sea

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D) created new channels that extended the area of cultivable land

The annual flooding of the Nile Valley before the construction of the Aswan High Dam was beneficial to Egyptian farmers primarily because it

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