Question

Match the humidity related terms to their correct definition. Group of answer choices A measure of the amount of air pressure contributed by water vapor [ Choose ] The point at which air has reached its water-vapor capacity; varies with air temperature [ Choose ] The temperature to which air needs to cool for that air to become saturated; changes with vapor pressure [ Choose ] The maximum amount of water vapor that can exist in the air; it will vary with air temperature [ Choose ] A measure of the amount of water vapor in the air relative to the water-vapor capacity for that air (cannot be compared from place to place) [ Choose ] A ratio of the mass of water vapor to the mass of that the air in which that vapor occurs (can be compared from place to place) [ Choose ]

Answer 1

Vapor pressure is he pressure exerted by water vapor in the air. It is a measure of the tendency of water vapor to evaporate. Saturated vapor pressure is the maximum amount of water vapor that can exist in the air at a given temperature. It is expressed in millibars (mb).

Dew point is the temperature to which air must be cooled to become saturated with water vapor. At this point, the air can no longer hold any more water vapor, and any additional water vapor will condense into dew.

Relative humidity is a measure of the actual amount of water vapor present in the air relative to the maximum amount of water vapor the air can hold at a given temperature and is expressed as a percentage.

Mixing ratio is a ratio of the mass of water vapor to the mass of dry air in which that vapor occurs. It is expressed in grams of water vapor per kilogram of dry air (g/kg).

Absolute humidity is a measure of the actual amount of water vapor present in the air. It is expressed in grams of water vapor per cubic meter of air (g/m³).