During presentations, speakers show their prowess by knowing the content well.
I think this word best fits the sentence. Prowess is about an ability of the person and based on the sentence the speakers try to prove something about understanding the content.
The answer is "norepinephrine".
Norepinephrine is a neurotransmitter that is imperative for mindfulness, feelings, resting, imagining, and learning. Norepinephrine is likewise discharged as a hormone into the blood, where it causes veins to contract and pulse to increase.
Norepinephrine assumes a part in temperament issue, for example, hyper despondency.
Ans is <span>B) the flag’s prominent Confederate Battle emblem</span>
B , 16 But If You Do You Will Need A Parent/Adult/Guardian To BE With You AT ALL TIMES ! But Some People Prefer To Be 18 To Get A Car Because Then You'r Considered A Adult So Some People Will Wait Until Their 18 Because You Don't Need A Parent/Adult/Guardian .
Hope This Helps :)