Brainliest AP environmental science. I really need help with these 2 questions.

Will mark brainliest if correct!

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.

Which term defines a power shared by state and federal governments? concurrent expressed implied reserved

Based on what you've learned about the professions, which ones appeal to you as a potential career and why? if none interest you as a future career, indicate another career you're interested in and explain why that career interests you.