Refers to a psychological disorder in which an individual has anxiety-provoking thoughts that will not go away and urges to perform repetitive, ritualistic behaviors to prevent or produce some future situation.

the answer to this question is d

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.