Final answer:
The phrase 'rapidly deteriorates' indicates significant and quick decline in hot weather conditions.
Explanation:
Rapidly deteriorates reveals that in hot weather, things decline quickly and significantly. For example, in extreme heat, the body's ability to regulate temperature may fail, leading to health issues and even death. This phrase implies a rapid and severe negative impact caused by hot weather conditions.
Learn more about Effects of hot weather here:
https://brainly.com/question/14566087
