Answer:
A. At constant humidity, relative humidity increases as temperature decreases.
Explanation:
Weather can be defined as the atmospheric conditions of a particular area over a short period of time.
The elements of weather include precipitation, wind, temperature, atmospheric pressure, relative humidity, cloud, and wind speed.
Temperature can be defined as a measure of the degree of coldness or hotness of a physical object (body).
The relationship between temperature and relative humidity is that at constant humidity, relative humidity increases as temperature decreases.