Which statement best describes the big bang theory? a. the universe began as a ball of energy and has been collapsing since its formation. b. the universe began as a cloud of dust and gas and has been expanding since its formation. c. the universe began at an outer boundary has been collapsing since its formation. d. the universe began at a single point and has been expanding since its formation.

What is the role of the ocular lens?

In 1980, alfa romeo introduced the first system to smooth a rough idle caused by ignition and camshaft timing changes.

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.