Accidents are unfortunate events that happened unintentionally, while risky behaviors usually intentional even though the negative effects are already known.
One example of accidents is if plane passengers died during the plane crash. And the example of a risky behavior is to use tobacco product despite the negative effects it has on health.
Answer:
feeling nauseous
Explanation:
The conditioned response, in classical conditioning, is the response that is elicited by a conditioned stimulus (a previously neutral stimulus). In the example given in the above question, seeing a bottle on the grocery store shelf is a neutral stimulus which initially did not elicit any nauseous feeling, but is now become a conditioned stimulus that elicits a nauseous feeling, which is a conditioned response.