Respuesta :

Answer:

A dinosaur bone would be classified as a fossil

Explanation:

Thanks if you look up fossils you will have your answer.

It would be a mold of a clam shell

Explanation:
A mold of a clam shell is a trace of an animal which the animal is a clam of course, a trace fossil can only be a trace of an animal so that is why it can’t be an imprint of a fern leaf

Hope this helps!