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merandaae19 merandaae19
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6 years ago
Dark-line (absorption) spectra can be used to identify the elements present in stars.
 
  Indicate whether the statement is true or false
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meek2199meek2199
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6 years ago
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merandaae19 Author
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6 years ago
Smart ... Thanks!
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Yesterday
Good timing, thanks!
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2 hours ago
Thank you, thank you, thank you!
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