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The latent heat is normally expressed as the amount of heat (in units of joules or calories) per mole or unit mass of the substance undergoing a change of state. melting ice cubes Ice cubes melting as their temperature rises.
Latent heat is an important source of atmospheric energy, especially for storms, such as thunderstorms and hurricanes. Moreover, water vapor is a potent greenhouse gas because it strongly absorbs a portion of the earth's outgoing radiant energy. Briefly explain the production and natural destruction of carbon dioxide near the earth's surface. Give two reasons for the increase in carbon dioxide over the past 100 years or so.