<span>Americans struggling to pay higher home and car interest rates.</span>
Answer:
the shape of their skull
Explanation: Phrenologists were largely pseudo scientists who attempted to establish a biological basis for differences between the races. This burgeoning science was used to buttress theories of racial inferiority.
Aristotle is remembered for his contributions to the field of philosophy and science during the Hellenistic era.
One of the biggest contributions made by Aristotle was the way in which he researched an issue. His advice to study books/research done on topics, to perform independent studies, and to gain a sense of the general consensus on a topic are the foundation of what would later become the scientific method.