I’m pretty sure the answer is b
Answer:
theories change for the better based on new evidence
Explanation:
The large beaked birds
it goes up the bigger the beak size as there are more seeds for the larger beaked birds to eat
I think the correct answer from the choices listed above is option A. The government structure that states use is the federal system. It is the government of the fifty states that constitutes the United States. It has three branches - legislative, executive, and judicial.