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What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?
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Consider hydrogen in an excited state n = 5n=5 that emits photons to reach the ground state. there are various possible transitions other than straight to the ground state that can occur; for example, it can drop to the n = 3n=3 state followed by the n = 3n=3 to the ground state transition. which of the possible transitions will result in the emission of a photon in the visible region?
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Blank Na2CO3 + blank Ag3P --> blank Na3P + blank Ag2CO3...
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