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Question
The common element with bright red, blue-green, and violet emission lines is ________.Answer
This answer is hidden. It contains 8 characters.
Related questions
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How long ago did multicellular life forms appear in the fossil record?
A) 4.5 billion years ago
B) 3.8 billion years ago
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The water hole lies between 18 and 21 cm in wavelength in the radio spectrum.
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