21. What is expansion? in science
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The amount that a unit length along any direction of a substance increases for a temperature increase of one degree is called the coefficient of linear
Explanation:
expansion of the substance. Most liquids also expand when heated.
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Explanation:
expansion, in physics, increase in volume resulting from an increase in temperature. ... The amount that a unit length along any direction of a substance increases for a temperature increase of one degree is called the coefficient of linear expansion of the substance. Most liquids also expand when heated.
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