The excerpt best reflects which of the following developments during the first half of the nineteenth century?

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.

Anyone knows answer for code. org unit 3: intro to programming, lesson 7: apis and function parameters, bubble 11. !

12. identify the main term from the following statement: arthrotomy of toe, interphalangeal joint