Answer:
D, oil was discovered on the Arabian peninsula.
The correct answer is to nullify the Black Codes.
What causes a river to change course?
Due to constant deposition of river sediments on the slower side and the vast amount of erosion that takes place on the faster side. This process keeps on continuing till the curves get sharpened, so that river cuts through the curve and forms another path and thus river changes its course.
Why are rivers and lakes important for North America?
It is because they provide freshwater for industrial, agricultural purpose, waterways and tourism. Explanation: River and lakes are abundant in North America and they are of great importance. It provides the water for both the industrial as well as agricultural purpose near and around the rivers and lakes.
What are the most important roles of rivers and lakes today?
Rivers carry water and nutrients to areas all around the earth. They play a very important part in the water cycle, acting as drainage channels for surface water. Rivers drain nearly 75% of the earth's land surface. Rivers provide excellent habitat and food for many of the earth's organisms.
The resources that were traded on the Trans-Saharan trade were salt, slaves, and religion. The West African countries were trading their gold for salt. The slaves were sent North and served as slaves or slave concubines. Islam was spread through the use of the Trans-Saharan trade route.
323 BCE to 146 BCE
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