The statement that best describes alice's experiment is
a) the size of the filter paper is serving as a control.
b) the experiment should test only one type of mouthwash.
c) the experiment is well designed and has a valid control.
d) the experiment has too many variables that are being manipulate

answer; the basal forebrain;

b) to encourage free trade

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.