what is meant by surface activity?
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Definition of surface tension. : the attractive force exerted upon thesurface molecules of a liquid by the molecules beneath that tends to draw the surface molecules into the bulk of the liquid and makes the liquid assume the shape having the leastsurface area.
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Explanation:
A flat shape with four straight sides. Quadrilaterals - Square, Rectangle, Rhombus, Trapezoid, Parallelogram
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