According to the Supreme Court ruling in the court case of Engel v. Vitale, 1962, it is unconstitutional for public schools to

A. enforce truancy laws on students over 18.
B. force students to recite an official prayer.
C. require female students to attend gym class.
D. allow and use corporal punishment practices.

The development of simple stone tools by early hominids led to the ability to procure meat more efficiently. this in turn led to the change in diet that included larger amounts of protein. many scholars believe that this shift in diet was a significant part of how our ancient ancestors adapted so quickly to a varied set of environments, and thus were able to begin cultural development. this demonstrates the intimate connection between