The teens milled around outside the stadium waiting for the gates to open. in this sentence, what does the phrase milled around mean?
played a game
walked in circles
processed grain
wandered aimlessly

wandered aimlessly

Explanation: They are teens. Teens are impatient, and will must likely be moving around waiting anxiously for the gates to open.

wandered aimlessly

Explanation:

Milling around means moving around with no exact direction or purpose but in most cases while waiting or anticipating for something/someone or a result of an activity.

as seen in the sentence the teens were waiting for the gates to open so in order to keep themselves busy and tackle boredom they decided to mill around also known as wandering aimlessly. every group of individuals whether teens or adults will in one way or the other wander while waiting for something or someone as seen in the case of the teens connected to this phrase.

i am pretty sure it 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.