Yes, assuming you were legally able to be, and legally married. With very few exceptions, a legally binding marriage performed anywhere, is recognised by the U.S.A. as a legal marriage.
No
yes it does!
Doesn't she live in California still?
Yes you are still married in Florida.
If you are legally married, then yes.
File for divorce in Colorado.
You file where you live, so in the case of having been married in California, but living in Texas, you would file in the county in Texas that you live in. This assumes you've been living in Texas for at least 6 months and in the county you live in for at least 90 days.
yes she is still living because if she live in California teaching she must be still living
She is still living.
Yes, she always has and always will
Nevada
Yes, It is possible but that doesn't mean that the situation is sensible.