Ihave no idea about this ! plz ! tomorrow i have a test and the test has the same questions than this! thx!

1- 9 States

2-  Arkansas, Wisconsin, Louisiana, Illinois, Kentucky, Tennessee, Minnesota, Iowa, and Missouri.

3-  Arkansas, Illinois, Missouri, Ohio, and Red rivers because of their flow volumes.

4-   Two thousand three hundred and forty eight miles long.

5-  Minnesota

6- It ends in the gulf of mexico, so it ends in Louisiana

7- Pacific Ocean to the west, Atlantic Ocean to the east, and Gulf of Mexico to the southeast.

8- Gulf of Mexico

9- Missouri tributary

10-  two thousand three hundred and forty one miles long

answer; i believe the correct answer is (crops);

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.