All statements about scientific theories are true except: question 3 options: they explain why nature behaves the way it does. they are speculation. they must have the ability to make predictions on future behavior. they should use observations to test the theory. they are derived from hypothesis.

Why are people more likely to marry individuals with social and cultural backgrounds very similar to their own? a. parents and other family members always exert pressure to marry within the group. b. people spend a great deal of time alone, and therefore can have few opportunities for meeting people. c. people develop irrational fears of out-group members and are scared to date them. d. people have greater access to individuals like themselves.

Read the quotation to the left. which of these adjectives best describes jurgis's attitude? check all of the boxes that apply.

You're doing research for a public essay on alternative medicine. which of the following sources has the most reliable information? a.a post on a social networking site about the undesired side-effects of different alternative medicinesb.a recent government report comparing the results of alternative and contemporary medicine for a specified diseasec.an anonymous article on a medical website that claims the success of alternative medicined.a 2003 study conducted by a medical research center about the effects of alternative medicine