How did the discovery of the fossils on both sides of the Atlantic modify conclusions about earths beginning?

Fossils can give scientists clues about the past. Scientists can use fossils to learn about how the earth has changed. They can also learn about what animals and plants were like a long time ago. Fossils help scientists know what animals once lived on the earth but are now extinct.

your question is incomplete

explanation:

i think it is the third one.