Which of the following is not a cause of water pollution?
a)
jet fuel
b)
laundry soap
c)
ammonia
d)
none of the above

Which of the following is an example of negative reinforcement? a.marty knocks over his mother's prize fern so she gives him a time out. b.gwen mows the lawn and her dad takes her out for ice cream. c.tara takes an aspirin, and her headache begins to go away. d. peter comes in late from his lunch and is fired from his job.

How does public opinion differ on foreign and domestic policy issues? how does this affect the policy- making process?

17. a graduated standard used to evaluate student achievement is called a: a. rubric b. norm-referenced test c. criterion-referenced test d. multiple-choice question e. guessing penalty