A system can be made of one or more objects. Thinking of the possible systems that can be made of objects involved in the basketball and racquetball demonstration, in which systems does the energy decrease?

If the water vapor content stays the same and the temperature drops, then the relative humidity increases. its vise versa.if the water vapor content stats the same and the temperature rises, the relative humidity decreases. so, yes, i'd say that temperature and humidity have a strong relationship.

The closer the atoms are to becoming ionic the more highly dense the negatively charged side gets.

Answer the air near the ground cools to its dew point