Uranium is an element. Which type of matter is uranium? A. A heterogeneous mixture
B. A homogeneous mixture
C. A compound
D. A pure substance

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.

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

By what primary heat transfer mechanism does the sun warm the earth?