My heart is broken because I have nobody no friends​

Asap which of the following fabrics can look cheap and fake onstage because of the way it reflects light from the stage lights? polyester cotton satin silk

Sarah and juan were running in the school track meet. the muscles in their arms and legs them run fast. other muscles that you cannot see were also at work. the most important muscles for this track meet were the muscles in their a) arms. b) eye. c) feet. d) heart.

Will mark brainliest if answer is ! need asap