• Humidity is the amount of water vapor in the air.
  • Humidity is a measurement of the amount of water vapour in the air.
  • When it's exposed to sunlight or humidity or wind, the surface of the rock can be modified and the evidence of how it formed can be destroyed.
  • ...earlier observations that desiccation sensitivity or poor longevity is linked with low levels of water sorption at relative humidities less than 25%.
  • Saturated air, for example, has a relative humidity of 100 percent, and near the Earth the relative humidity very rarely falls below 30 percent.
  • In the following sections, we take a closer look at how humidity is caused, how it is measured, and its impact on weather events.
  • What is humidity?
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  • Relative Humidity is the capacity of air to store water, which depends on the saturation point (the extent to which that air holds water), and a certain temperature.
  • Mathematically, absolute humidity is defined as the mass of the water vapour divided by the volume of the air and water mixture, which is expressed as.