An observer measured the air temperature and the dew point and found the difference between them to be 12°C. One hour later, the difference between the air temperature and the dew point
was found to be 4°C. Which statement best describes the changes that were occurring?
(1) The relative humidity was decreasing, and the chance of precipitation was decreasing.
(2) The relative humidity was decreasing, and the chance of precipitation was increasing.
(3) The relative humidity was increasing, and the chance of precipitation was decreasing.
(4) The relative humidity was increasing, and the chance of precipitation was increasing.