Ayoung man is having trouble getting along with his roommate. sometimes, his roommate does not speak for days. on other days, he speaks rapidly without stopping. he is often abrasive and aggressive. the roommate is showing symptoms of
(a) bipolar disorder.
(b) major depression.
(c) substance-induced mood disorder.
(d) persistent depressive disorder.

answer; for children with two myopic parents,the likelihood of becoming myopic is ) correlated with the number of hours spent playing sports each week;

the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.