Chemistry, 28.01.2020 02:31 leapfroggiez
Aconvex lens is (a)thicker in the middle than on the edges (b)varying in thickness from edges to middle (c)thicker on the edges than in the middle (d)equally thick from middle to edges
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Aconvex lens is (a)thicker in the middle than on the edges (b)varying in thickness from edges to mi...
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