Which of these best completes the chart? a) trees were cut down b) new theaters were built c) traffic patterns were changed d) new sports complexes were built

D maybe

Explanation:

im guessing that it's d  considering that they were holding the olympics and to do that you need sport complexes. Hope that helps.

the answer to your question is false can’t remember who he rode with but he rode with sombody

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.