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What are 80% of earth's molecules in the atmosphere made of
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Consider the nuclear equation below. 239 > x + 4 he 94 2 what is x? 1.235 cm 96 2.243 u 92 3.235 u 92 4.243 cm 96
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Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils
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An observation that requires measurement is called quantitative observable or qualitative
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Connect the whole numbers on the periodic table to indicate what they represent?
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What are 80% of earth's molecules in the atmosphere made of...
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