Other warnings in text located on the pavement include approaching stop signs, signal lights and tracks.

Other warnings in text located on the pavement include approaching stop signs, signals lights and _railroad___ tracks. The answer is railroad. It is railroad tracks

Explanation: I looked it up. The answer is correct on Quizlet. Hope this helps.

the first question's answer is a.

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.