careers for those subject

check with your college counselor

or, visit a college and talk to the faculty there

Rather than figure out what you can do with what you know, discover what you love, and find out what it will take to succeed in that field.
Talk to someone successful in that field.

oobleck is right on. You want to prepare yourself in a subject that you enjoy doing. Work in a field that is fun to go to work every day. You'll never get tired of getting paid for having fun.

To provide a more specific answer, please specify the subject or area of interest for which you would like to explore potential careers.