When anthropologists find steel artifacts, they can test the amount of carbon In the steel to learn about the people that made the artifacts.

Answer:
Yes for both on 1 (a and b)
Step-by-step explanation:
On 1 just say yes but if you need to put it in paragraph form then say that region one has a wide range and some are more and some or less. (or something like that, you can tell because it overlaps)
On 2 it is your opinion.
Yes- 1 has a wider range (base it off of that) say something ab the range and median
No- they both have steal and they overlap. They have to be similar bc they r the same thing.