Answer:
False, students who abuse prescription stimulants actually have lower GPAs in high school and college than those who don't require a doctor's prescription.
Explanation:
Answer: C.It improves endurance and muscle strength
Explanation:When you are flexible,it helps your muscles grow stronger
It was needed...and there was a need for it .
Assuming that you're referring to Matt Cutts' 30 days challenge speech on Ted Talk,
He used an effective opening, in which he told the audiences why he's speaking while clearly stating his main points. He keep the audiences interested by referring them to something that the audience could relate to and an effective closing to persuade the audience to try his challenge
