Gravity, or gravitation, is a natural phenomenon by which all things with mass are brought toward (or gravitate toward) one another, including planets, stars and.
Mineralogy is a subject of geology specializing in the scientific study of chemistry, crystal structure, and physical (including optical) properties of minerals and.
An inorganic compound is a chemical compound that is not an organic compound. There is no clear or universally agreed-upon distinction between organic and inorganic.
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