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Which element is second-most common in the interstellar medium, comprising 28% of its mass? A. carbon B. iron C. hydrogen D. helium
Helium is second-most common in the interstellar medium, comprising 28% of its mass.
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Asked 1/6/2014 3:12:38 PM
Updated 285 days ago|3/6/2018 4:31:52 PM
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Helium is second-most common in the interstellar medium, comprising 28% of its mass.
Added 285 days ago|3/6/2018 4:31:52 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [3/7/2018 8:01:41 AM]
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Weegy: Men with eating disorders are more likely than women sufferers to: Exercise excessively. User: How does drinking negatively affect adolescents? A. It is connected with poor grades and car accidents. B. It contributes to lung cancer and heart disease. C. Alcohol can make it more difficult to learn. D. Alcohol is a stimulant and causes anxiety and stress. (More)
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Updated 7/16/2014 11:28:10 AM
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Updated 9/20/2014 12:15:48 PM
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Willard Waller concluded through research that casual dating was a form of entertainment that had little to do with mate selection.

Added 9/20/2014 12:15:48 PM
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Which of the following are drugs? A. medicine B. alcohol C. cigarettes D. all of the above
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Updated 3/18/2017 10:05:48 AM
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Added 3/18/2017 10:05:48 AM
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Confirmed by jeifunk [3/18/2017 10:37:55 AM]
Which of the following are examples of achieved statuses? A. basketball player B. actor C. musician D. all of the above
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Updated 1/23/2014 3:06:42 PM
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D. all of the above are examples of achieved statuses.
Added 1/23/2014 3:06:42 PM
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Excessive energy in a star’s core causes it to expand and cool. A. True B. False
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Updated 1/6/2014 12:19:09 PM
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TRUE Excessive energy in a star’s core causes it to expand and cool.
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Added 1/6/2014 12:19:09 PM
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