Which statement best describes a negative effect of human activity on Africa's waterways? O Dams have changed river flows, which has led to erosion.
O The use of rivers to water crops has led to droughts.
O Population growth has led to the destruction of rivers.
O The use of river transportation has harmed water quality.

Dams have changed river flows, which has led to erosion.

Explanation:

wait history, who want to talk about history, boring.

they chose sides following the death of the islamic prophet muhammad in ad 632. a dispute over succession to islamic prophet muhammad as a caliph of the islamic community spread across various parts of the world, which led to the battle of jamal and battle of siffin.

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