I also believe the answer is D.) Speed limit. The slower you go, the less impact the car crash has.
Alright the way you can get permission to a copyrighted online source seems like a mystery. But when we think about it all we have to do is cite who made the source and what corporation made it.
BTW to learn how to cite your sources all you have to do is research about. Once you memorize the citing then it is straight forward! Good Luck :D.
Answer:
sternokcleidomastoideus and trapezius
Explanation:
Hope it helps