They may make lots of rules and restrict lots of things. But is there any answer choices
D. Take a bellyflop in a pool, and you'll find that the water feels pretty hard.
Answer: Part A: D They separated into different groups long ago.
Part B: The answer is: "it also seems like they didn't mix much with outside groups until the arrival of Europeans in the seventh century"
Explanation: I took the test hope this helps!
