Great question!
When you understand that the person you are talking with is unable to shift his/her opinion, and starts getting mad. That's the best time to compromise, since not doing so might bring stress and conflict as you mentioned.
The answer is C. 19 to 26 the actual age people reach their physical peak is 26 which therefore is C as your answer.
My best guess would be A
Please put me as a Brainlier
In this system, the sex of an individual<span> is determined by a </span>pair<span> of </span>sex chromosomes called the <span>gonosomes. Females typically have two of the same kind of </span>sex chromosome <span>(XX) and are called the homogametic </span>sex<span>. Males typically have two distinct </span>sex chromosomes<span> (XY), and are called the heterogametic </span>sex<span>.</span>