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The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as
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Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium
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Which of the following is not a characteristic of s waves?
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Chemistry, 23.06.2019 07:30
To separate a mixture of hard candies nd marbles the most efficient method would be
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What is the empirical formula for a compound if a sample contains 3.72 g of p and 21.28 g of cl?...
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