Answer:
Explanation:
This is usually because when they first became fossils, they embedded into the ground. Over many years afterwards, more layers came to cover that layer and so on. Newer fossils would be embedded into newer layers. That's why the older ones tend to be found the deeper you look.
The responsibilities of a scientists is ti discover new possibilities of the future and our world.<span />
I think its C.
I hope this helps and please do correct me if im wrong.