It would be D 3 1/2 that is it
<span>Endurance is the ability to maintain a certain level of intensity over time.</span>
Ossification is the correct answer
Teenages perceive sexual activities as exciting and good. They think that is will be OK if they go ahead and try those things. When in reality, it will put them in greater risk of STD's or STI's, or an unwanted pregnancy. :)
My guess is that A, B, and C are correct.