A. Charles Darwin
Darwin suggested that a sneer retains elements of baring one's teeth so as to threaten predators.
I’m pretty sure it’s systematic agriculture
Answer:
https://quizlet.com/238404764/chapter-15-reconstruction-1865-1877-flash-cards/
https://quizlet.com/69682874/us-history-chapter-22-flash-cards/
https://quizlet.com/171173078/chapter-18-and-19-flash-cards/
https://quizlet.com/226420229/chp-15-and-16-flash-cards/
https://quizlet.com/162304885/reconstruction-review-flash-cards/
https://quizlet.com/53568826/chapter-16-flash-cards/
https://quizlet.com/113258644/apush-chapter-23-the-ordeal-of-reconstruction-flash-cards/
https://quizlet.com/116527215/chapter-17-ap-us-history-flash-cards/
https://quizlet.com/8622758/ch-19-22-exam-questions-flash-cards/
https://quizlet.com/64013374/chapter-12-us-history-flash-cards/
Explanation:
These are just some I really liked. I hope you do well. Comment on this which one you found most useful. Thx
