When people interact in an effort to receive a reward or a return for their actions, a(n) has taken place. a. exchange c. barter b. division of labor d. both b and c

Which of the following was not a factor that contributed to world war i? a. american neutrality b. nationalism in the balkans c. the system of overlapping military alliances among different european nations d. the rise of germany as an imperial power

22. the effect of threshold braking is to a. cause skids. b. lock wheels. c. prevent locking of wheels. d. increase stopping distance.

People of french origin make up about of the canadian population. 23 percent 50 percent 1 percent 76 percent