Aresearcher proposes a study and wants to recruit subjects from health care clinics in jamaica. the survey will be conducted by the u. s. researchers at the clinic. the nurses at the clinic will inform prospective subjects about the availably of the research, but will not consent the subjects nor perform any research procedures (even screening procedures). are the nurses engaged in the research according to federal regulations?

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.