Answer:
Hyperbole would be the rhetorical device used in the sentence.
Explanation:
You would be exagherating, saying something is "1 Billion" times better than something.
BMI between 18.5 to 24.9 is required to have optimal cardiorespiratory fitness because weight directly affects the cardiorespiratory fitness.
Yes. this is true! sit at a desk with good back support