Yes, it is possible to date someone that young as long as there is no sex. The 18 year old is an adult while the 15 year old is a minor.
An air kiss is a gesture in which the lips are pursed as if kissing someone, but without making contact.
Making eye contact is considered polite and shows that the person making eye contact is really listening to you if fact it show good social skills also if someone really likes you they might make eye contact with you but that depends if they are shy or not. -From someone who is really good at making eye contact in fact people even comment on my good eye contact :)
There is no easy way to do this without possibly hurting them or making them upset - the best you can do is be straight forward, honest and polite.
by making eye contact for as long aspossible and nudging her or him very lightly when you walk past.
911, and the Department of Defense
Well she probably could do it, but if she did you would be able to report her to the principle most likely.
Cobra MicroTalk radios are two way radios or walkie talkies that allow you to keep in contact with someone a certain distance away without making a phone call.
Gravitational force or magnetic force.
Yes. "Hallo" is used when you try to get in contact with someone, making sure they hear you. For example on the phone or if shouting for someone.
Yes
You can't, but making a YouTube account is fast, easy, and free. :)
For someone who is in between jobs, the best money making opportunity would be for said person to contact any agencies and try and aquire a secondary job.