please watch the links bellow and answer the two question in paragraphs:-
https://www.wired.com/2002/10/what-cranial-shape-tells-us/
https://www.pbs.org/wgbh/nova/article/does-race-exist/
https://slate.com/news-and-politics/2011/01/can-you-tell-a-person-s-race-from-his-or-her-skull.html
1-What were Franz Boas’ findings on head shape in immigrant populations? How do the recent findings of Jantz and Sparks described in the Wired article differ from Boas?
2-Why does Loring Brace oppose and George Gill support the concept of biological races in humans? Make sure to summarize the scientific evidence used by each scientist?