Which of the following would zack agree with? a. there are no such things as pure or mixed biological races. b. biological races are best conceived of as population clusters. c. the problem with most concepts of race is that they’re too vague. d. we need more empirical evidence to back up claims about race

To what kinds of messages might the brain respond to keep you balanced on one foot?

Why do drivers have difficulty seeing side traffic at t-intersections in rural areas?

In the spring of 1989, thousands of protesters gathered in tiananmen square in beijing, china. they rallied around a plaster statue that resembled the statue of liberty which they called “the goddess of democracy.” these protestors were seeking a) united states assistance in gaining better health care. b) economic reforms which would allow more chinese exports. c) the boycott of the future olympic games scheduled for beijing. d) political reforms to allow more freedom of speech and political representation.