A chopper an odd shaped rock that was used to cut things.
Answer: 1650 according to 3 sources
Explanation:
This act, signed into law by President Lyndon Johnson on July 2, 1964, prohibited discrimination in public places, provided for the integration of schools and other public facilities, and made employment discrimination illegal. This document was the most sweeping civil rights legislation since Reconstruction.
Answer:
D. Archimedes
Explanation:
Archimedes came up with the Archimedes Priciple, or physical law of buoyancy.