Some wolves are almost extinct because only few remain. The product is extinct because it is no longer used.
Dinosaurs are no longer on Earth because they are extinct.
The volcano is safe because it has become extinct.
Some titles of respect have become extinct as time goes on.

Ishmael wants to go on vacation with his friend's family. what's the best way he can persuade his parents to say yes? a he can tell them that he will be sad and stay in bed if he can't go. b he can explain that the vacation will be educational and safe. c he can say that he'll hate his parents if they don't let him go. d he can ask them for the money that he needs for the trip.