Which is the best dated evidence that humans have been on Earth for over four million years?
A fossil nicknamed Lucy was found in East Africa.
A specimen nicknamed Ardi was found in East Africa.
Artifacts from the Stone Age were discovered in East Africa.
Evidence from the last Ice Age was found in East Africa.
Is there a passage to go with this question? So we can have better understanding of what we should be looking for. But for a good guess, I’ll say the third one.