Can yall help me with this 2 promblems plz its a quiz
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Answers: 3
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What reaction is taking place? 02 + c3h8 = h20 + co2
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What are the 4 phases of matter in order of increasing engery content?
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Wind and moving water provide energy. chemical mechanical thermal none of the above
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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
Answers: 1
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