Which claim is left unsupported in the passage?
Athletes can sustain permanent injury after having a
concussion
Players and coaches would refuse to follow new
rules about concussions.
Concussion experts will help athletes only at
organized games.
Many players continue to play immediately after a
concussion

C). Concussion experts will help athletes only at  organized games.

Explanation:

In the given passage, the author substantiates all the given claims except for the claim regarding 'assistance of concussion experts being available to the athletes only at organized games.' There is no clear description regarding this claim that could verify or prove the reliability and convince the audience to believe in it. The other claims are supported with sufficient details that help establish the validity of the assertion and make them credible. Therefore, option C is the correct answer.

3

explanation:

here's some tricks. write on a book that you have read and really enjoyed. first, start by writing down basic event in the book. have your first paragraph be an intro explaining like the author, the reason the book was written if known, and other backround info like that. paragraph two explain what happens in the first few chapters and the signifigance it had. then for paragraph 3, do the same thing but for the middle. i'm pretty sure you get the point for paragraph 4. just rap things up and explain the call to action. for the final paragragh (paragraph 5) , explain your views on the book, the message, ect. tip: something that might is to go onto cliff notes or something and read the anaylisis of each chapter.

some books i recommend;

diary of anne frank

lord of the flies