John leaves his home at 10:00 am and travels East to David's house, 1800m away, and arrives at 10:10. He waits at David's house for 3 min and then heads back home. He arrives back at his house in 12 min.

What property is a characteristic of a substance that can be observed and does not change the identity of the 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.

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon