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The rare earth elements include A. the actinide series and the alkaline earth metals. B. the alkali metals and the transition metals. C. the lanthanide series and the actinide series. D. the lanthanide
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The rare earth elements include A. the actinide series and the alkaline earth metals. B. the alkali metals and the transition metals. C. the lanthanide series and the actinide series. D. the lanthanide series and the alkali metals.

User Lloyd Dominic
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the answer is A because Alkaline are gases in earth's atmosphere
User Dfb
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