If you mean have sex with, then that depends on the Age of Consent in the place where you live. In many states and countries it is 16, so it might be legal for you, but you should find out the age of consent in your state. Read some more about Age of Consent: http://wiki.answers.com/Q/What_is_age_of_consent_and_what_does_it_mean
16
Yes she can date a 20 year old man without getting him in trouble if she is going to turn 18 tommoroow or the next day !!!!!
No .. And that is wrong ?
Yes, as long as he doesn't get caught.
Yes you can date but until she is 18 you cant kiss her you cant have sex with her nothing physical.
If you are 18, you are legally considered an adult, there shouldn't be any problems.
No
Yes, with parental permission. Without it, they can be reported as a runaway.
Yes as long as no sex is involved. 18 is the age of consent in California with no close in age exemptions.
By getting her pregnant.
In a silent way like complementing her or hang around with her she'll get the message
Just dating a girl when you are 18 and she is 16 is not against the law in California. However having sex with her is considered statutory rape in California until she is 18.