The 10th amendment reserves all the powers not delegated to the federal government to which group?

The 10th Amendment gives power to the states that is not already delegated to the federal government. States have power over family laws, schools, and land issues. Hope this helps :)

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.