Humidity is the amount of moisture in the air. It can be expressed as absolute humidity, which is the mass of water in a specified volume or mass of air, or more commonly as relative humidity, which is the absolute humidity divided by that absolute humidity that would make dew form at the same temperature.
... Japan and Europe but not in the United States.
However, because the GBA has no region lockout, European games will work fine on a U.S. GBA unit, and apparently, even ...