The natural resources in Ghana,Mali and Songhai contributed most to the growth and power of these empires.
•It brought about the beginning of the trans Saharan Caravan Trade in the 13th and 14th centuries.The gold-salt trade in Africa made these empires very powerful since they controlled the trade routes and taxed traders
•Cities also developed in Ghana,Mali and Songhai because their resources were in high demand and the overland trade routes connected them to west Africa
•The T.S.T brought about the spread of Islam throughout west Africa. The Muslims also sold their commodities (textiles,beads,camels and others) in exchange for gold and salt
The answer to your question is: D. rainfall and ocean waves.
Looking at both figures shows that rain and the waves have changed the terrain.
Explanation:
High and low tides are caused by the Moon.
The Moon's gravitational pull induces something called the tidal force.
The tidal force causes Earth—and its water—to bulge out on its nearest and furthest sides from the Moon.
The Moon is responsible for high and low tides.
Sea Food and water mostly.
