Answer:
energy
Explanation:
Those are all forms of energy
Salt hydrates are an important class of PCMs. An inorganic salt hydrate (hydrated salt or hydrate) is an ionic compound in which the ions attract a number of water molecules, which are then trapped inside the crystal lattice. A hydrated salt has the generic formula MxNy. nH2O.
Minerals, Because when wind blows everything and crushes rocks into minerals.
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