Answer:
Between 5 and 6 weeks, your baby sprouts two flipper-like buds that will lengthen and grow into arms, and by 7 weeks, two additional buds form that will become his legs. Your baby's hands and feet, which look somewhat like paddles at this stage, will form at the end of these buds.
Explanation:
The hepatitis one...I think. if you know for sure I an wrong then it's definitely the first one about HIV
Answer:
Teenagers are always trying to look like adults and act cool and all, like vaping and smoking, driving at high speeds, showing off there money and all to be popular, almost all of them are dare devils and want to show it off, that is why they would go out and party/drink all the time and get into other bad situations.
Now there are 2 sides of it, teenagers may be participating in good behavior and taking a risk at the same time. This shows there bravery, passion and how much support they have in thereselves/will-power.
You can get an X-Ray, see a chiropractor, etc.
I can't answer for you, this is a personal question.