According to Stevenson and Stigler's study on cultural differences in math performance at school, if American parents wanted their children to do well in math, what aspect of Chinese parenting should they mimic?A) provide a desk at home for their childrenB) teach their children numbers and math before entering kindergartenC) give their children less schoolingD) learn how to do math in EnglishE) let the children set their own learning paces

The social contact theory states that

In the kingdom of saudi arabia the government controls every aspect of oil production which makes up the majority of the country's economy. while other businesses are owned by individuals, the biggest segment of saudi arabia's economy is oil production. saudi arabia's economy would best be described as a) entirely market. b) almost entirely command. c) a mixture between just market and traditional. d) a mixed economy with large amounts of command.

Which environmental change allowed people to travel by land between asia and north america a. human apaption to arctic environments b. the introduction to horses to north america c. the formation of ice sheets on land d. a rise in ocean temperatures