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List of elements by name
This is a list of chemical elements, sorted by name and color coded according to type of ... > more -
Sedimentary rock
Sedimentary rock is one of the three main rock groups (along with igneous and metamorphic rocks) and is formed in four main ways: by the deposition of the weathered remains of other rocks (known as ... > more -
Fluid mechanics
Fluid mechanics is the subdiscipline of continuum mechanics that studies fluids, that is, liquids and gases. It can be further subdivided into fluid statics, the study of fluids at rest, and fluid ... > more -
Parachuting
Parachuting, or skydiving, is an activity involving the breaking of a free-fall from a height using a parachute. Today it is performed as a recreational activity and a competitive sport, as well as ... > more -
Igneous rock
Igneous rocks are formed when molten rock (magma) cools and solidifies, with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive ... > more
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