What is calibration of thermometer?

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.

When were the first 10 amendments to the constitution adopted and what was their purpose? when were the first 10 amendments to the constitution adopted and what was their purpose?

What was the french and indian war about