The fertile soils and the abundant waters of the Great Lakes region make it ideal for agriculture. Development and intensification of the region’s farmland has altered how water interacts with the landscape. Artificial drainage for agriculture has changed the way water flows over the land, washing sediments into rivers and lakes. Nutrients applied to fertilize crops but that go unutilized drain into tributaries that feed the Great Lakes, causing undesirable impacts such as algal blooms. Changes to the landscape like increased sediment and nutrient runoff into Great Lakes waterways threaten local plant, fish and wildlife habitats.

A. Diverting the flow of waterways to prevent them from coming in contact with agricultural lands

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the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.