Air is warmer and less dense than surrounding air at the equator because the equator receives more?
a: wind
b: air pressure
c: solar energy
d: greenhouse gases

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.

Anybody wanna ? (picture included? )

What are atoms of the same element with varying number of neutrons