Anthropology shows that race is not a valid biological concept. It is, however, a cultural construct with far-reaching social and historical consequences. a. True
b. False

where is the

cats appear to have glowing cat eyes because the back of their eyeballs includes a special reflective surface called the tapetum lucidum. this lets them see better during the night, giving them a much better vision.

on the planet jupiter, the acceleration due to gravity is approximately 26 m s2 , roughly 2.7 times the acceleration due