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Answer updated on: 12 Feb 2020
The tidal hypothesis proposes a near collision of two stars pulling on each other, but the condensation hypothesis proposes condensation of rotating clouds of dust and gas. Most scientists believe the condensation hypothesis i.e that the solar system began when rotating clouds of dust and gas condensed into the sun and planets. A minority opinion is the tidal hypothesis i.e. that the sun almost ...
Answer updated on: 24 Jan 2020
The faster molecular motion leads to greater distance between the moleculesThe atomic theory of matter states that matter is made up of tiny, rapidly moving particles. These particles move more quickly when warmer, because temperature is a measure of average kinetic energy of the particles. Warmer molecules therefore move further away from each other, with enough energy to separate from each ...
Answer updated on: 24 Jan 2020
At the bottom of the meniscus curveTo measure water in glass, you must look at the top surface at eye-level, and ascertain the location of the bottom of the meniscus (the curved surface at the top of the water). The meniscus forms because water molecules adhere to the sides of the glass, which is a slightly stronger force than their cohesion to each other. This leads to a U-shaped top of the ...
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