A charge of contributing to the delinquency or endangering the welfare of a minor (or both) will be added when you are caught.
Yes, someone who is 19 can be charged with endangering the welfare of a minor if they were caught smoking marijuana with someone under 18.
A minor injury is one that is not considered serious or life endangering. If a person has a minor injury, it only needs minimal medical treatment, if any at all.
Not mentioning the morality issue it is illegal in all states to buy alcohol for a minor. If caught it can bring a litany of charges including providing alcohol to minor, endangering the welfare of a minor, etc.
Fishermen are endangering sharks.
You are endangering your money if you don't diversify your investments.
If you are charged with serving alcohol to a minor, it is probably a misdemeanor. You need to talk to a local attorney to be sure and to help with your case.
what are the principles off endangering others
They are endangering because it wants to eat it,
What are the human and natural causes that are endangering the Giant Panda?
hunters
It depends on the age of consent laws in your state or country. In many places, it is illegal for an adult over the age of 18 to engage in a romantic or sexual relationship with a minor. It's important to know the laws in your area to ensure you are not breaking any rules.