Based on the descriptions of Alibates Flint in the passage, which conclusion about the flint is ,begin emphasis,most,end emphasis, clearly true?

Answer options with 4 options
1.
It is desirable because it was discovered so long ago.

2.
It is noteworthy because of its appearance and widespread use.

3.
It is important because it provides information about ancient peoples.

4.
It is unusual because of how deep it was found and how it was shaped.

3. It is important because it provides information about ancient peoples.