How did humans use rocks in the past?

a. to play sports

c. to write

b. to tell time

d. to make tools

Simplify the expression: -3 (1+4x) = A: 3+12x B: 3-12x C: - 3-12x D: - 3+12x

In 2008, what fraction of traffic-related deaths was a result of alcohol-impaired driving crashes?

A researcher divides participants into groups that will engage in low, moderate, or intense levels of exercise. The total calories consumed by participants following the exercise are then recorded.

Hilgard and his colleagues hypnotized participants to believe they would not experience pain when they placed one hand in ice water. participants were asked to press a response button with the other hand if they felt any pain.

Know what culture is and how it impacts managers when working overseas-What is monochronic vs polychronic cultures? What is the difference in ethnocentric, polycentric or geocentric managers?

In China, Why are people moving to the cities in large numbers?

Six-year-old johnny suddenly makes an angry face at alan and kicks him hard for no apparent reason. it is clear that he means to cause pain to alan and is not just "playing around." johnny is displaying:

How would earth move if the sun suddenly disappeared

What is a secondary source? Identify 3 examples of secondary sources

Christine has an unusual suggestion in mind for the problem her group is trying to solve. if she introduces her suggestion cautiously and tentatively in order to assess the other group members' responses, which developmental stage has her group most