In Physics buoyancy is the upward
force and it is equal to the weight of the
displaced fluid. If the buoyancy exceeds the
downward force (which is the weight of the boat)
due to gravity then the object floats. Therefore
the displaced fluid determines how much you can
load on a boat. When the weight is bigger than
the buoyancy (the weight of the displaced water)
the boat will sink.
A red sock is a compound. An element
consists of only one kind of atom. A compound
consists of two or more different elements that
bond together. A mixture consists of two or
more elements or compounds that are physically
intermingled. This means they can be separated
again by physical means (centrifugation,
evaporation, magnets, chromatography, etc.)
Frost is the sublimation of water
vapor on your windshield that has a temperature
below freezing. Sublimation means that the
water vapor (gas) goes from gas to solid (ice
crystals) without going through the liquid stage.
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