Misc: Who played the leading female role in the film, 'Romancing the Stone'?

Questions

Back To The Future: If future events are altered, photos and writing from the future become _?

Back To The Future: In BTTF 3 Doc Brown finds true love in this woman (full name)?

Back To The Future: In BTTF 1, Marty outruns his enemies with a skateboard. In BTTF 2, he uses _'?

Back To The Future: Terrorists almost kill Doc Brown in BTTF 1 because he stole their what?

Back To The Future: Which movie (1,2, or 3) does Marty come face to face with his own son?