Các giải pháp phát triển NCKHSV ở Việt Nam

Which of the following statements about working conditions in the 1920s is not accurate? a. "in general, wages fell during the 1920s." b. assembly lines were designed to speed up production and reduce the need for skilled labor. c. many skilled craftsmen lost jobs during the 1920s. d. some employers added benefits such as paid vacation and pensions.

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

Historical vs today's presidents (compare)