a) hunter gatherers who built mounds
The various cultures collectively termed "Mound Builders" were inhabitants of North America who, during a circa 5,000-year period, constructed various styles of earthen mounds for religious, ceremonial, burial, and elite residential purposes.
Answer:
A. Examples of his many insightful talents
Explanation:
Leonardo da Vinci was very fascinated about anatomical studies and worked on dissection at hospital. In his painting, we can see the use of anatomical study very well. Also, from his sketch, we get to now about the first ever design of a helicopter. That's why option A describes da Vinci the best.
