Pls pa help po, need ko po kase

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.

For which plan or plans. is knowing the withdrawal restrictions important ?

Which composer was renowned for creating expressive gregorian chants? a. hildegard of bingen b. carlo gesualdo c. josquin desprez d. guillaume de machaut