Answer:
Because DNA analysis requires interpretation which can have errors or mistakes because interpretations are subjective no matter how many people agree with your interpretation even if it is right.
Explanation:
Pectoralis major control the arms flexion
Answer: B
Explanation: I think the answer is B because natural selection leads to evolution because they happen in a line or like a chain reaction.
A possible explanation of a scientific question based on observation
Answer:
1) Each terrane has distinct rocks and fossils.
2) There are major faults at the boundaries of a terrane.
3) Magnetic properties of a terrane do not match with the neighboring terrane.