It is difficult to lift a bigger stone than the smaller stone. why?
plzzz give me short and brillient answer

Which of the following statements is true about women and minorities in early psychology? a. in the early 20th century, numerous graduate schools recruited women and minorities to study psychology. b. opportunities in higher education were limited for women and minorities in the early 20th century due to discrimination. c. despite some obstacles, there were numerous employment opportunities for women and minorities. d. women and minorities were often selected to do academic research in an effort to make the field more diverse.

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

Explain what happens at the saturation point when adding salt to water at room temperature.