17. Outline any five specialized cells in living things.​

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?

Which of the following describes the difference in stimuli required to detect a difference between the stimuli? a. just noticeableb. signal detectionc. subliminald. top down