Hello peeps whats new?

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.

What is the top speed in a parking lot? a. 10 mph b. 20 mph c. 25 mph d. 30 mph

What drifted apart millions of years ago to create two different worlds