No it is not legal.
you must be 21 to drink alcohol
underage drinking
yes
Is possession of alcohol considered a felony or misdemeanor?
No
In most states, a underage person cannot be at a party where alcohol is being served. This goes for anyone who is drinking or not.
No, it is illegal to purchase alcohol for someone else, especially if they are underage.
No, you can be charged with underage use.
No it is a misdemeanor in the state of Mississippi.
No.
Nope, Alcohol only affects you if you're over 18 (or 21 in some jurisdictions).
no, but it is controlled like alcohol. Providing it to underage people is a crime.