The dew point temperature is 68 degrees Fahrenheit. Relative humidity is at 50%. Saturation vapor pressure is 24 millibars. What is the actual vapor pressure in the air in units of millibars?

Which interaction between the atmosphere and biosphere takes place during plant respiration? plants use nitrogen and release oxygen into the atmosphere. plants use oxygen and release carbon dioxide into the atmosphere plants rely on available sunlight and release oxygen into the atmosphere. plants rely on mineral content in the ground and release carbon dioxide into the atmosphere.