The answer to your fine question is D.
Rivers are lifelines in many dry regions of Africa. They provide the necessary water for agriculture, household uses, transport, and biodiversity. They fill the wetlands of inland and coastal deltas with fresh water, thereby maintaining the inhabitant’s livelihoods and biodiversity of these dynamic areas
Land <span>had been taken illegally from Maoris.
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Basalt is not a type of sedimentary rock