To keep from getting mosquito bites when he mows the lawn, Kevin always sprays himself with insect repellent before he starts mowing. Using operant conditioning terms, this is an example of:.a) positive reinforcement. b) negative reinforcement by avoidance. c) extinction. d) negative reinforcement by escape.

d) negative reinforcement by escape.

Explanation:

In operant conditioning, there are two kinds of actions that can strengthen a behavior: reinforcement and punishment. Reinforcement will make the subject to repeat a certain behavior. There are positive reinforcement and negative reinforcement. In this case, the mosquito is acting as a negative reinforcement. If Kevin doesn't use insect repellent, the mosquito will give an unpleasant stimulus by bites. Kevin escape the stimulus by using repellent before he mowing.

acid rain is the answer

south, because if you took a map you would see texas is directly in the middle of east and west, but it is also downwards towards mexico, therefore it is south