Which of the following rivers form international boundaries between the united states and its neighbors? a. the mississippi and the colorado b. the ohio and the missouri c. the rio grande and the st. lawrence d. the illinois and the columbia

The Rio Grande and the Lawrence rivers form international boundaries between the United States and its neighbors.

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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.