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What element are the cores of massive stars made of when a supernova occurs? A. silicon B. iron C. oxygen D. neon
The cores of massive stars are made of IRON when a supernova occurs.
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Expert answered|spears|Points 20|
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Asked 1/23/2013 3:38:33 PM
Updated 4/26/2016 11:57:14 AM
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Edited by Janet17 [4/26/2016 11:57:12 AM], Confirmed by Janet17 [4/26/2016 11:57:14 AM]
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A galaxy is held together by _______. A. hydrogen B. helium C. air D. gravity
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Updated 2/7/2014 7:56:33 AM
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A galaxy is held together by gravity.
Added 2/7/2014 7:56:33 AM
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In the late 1800s, the factor that prevented the greatest number of children from attending public high schools was A. poverty. B. race. C. language differences. D. transportation problems.
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Updated 3/1/2015 5:10:28 PM
1 Answer/Comment
In the late 1800s, the factor that prevented the greatest number of children from attending public high schools was Race.

Added 3/1/2015 5:10:28 PM
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Confirmed by jeifunk [3/1/2015 7:50:53 PM]
Which effect can be traced directly to the Supreme Court's ruling in Plessy v. Ferguson? A. Lynching of African Americans continued into the 1920s. B. Race riots broke out in New York and other large cities. C. Southern blacks lost their voting rights for 60 years. D. Racial segregation was permitted for nearly 60 years.
Question
Updated 3/4/2015 3:27:59 PM
1 Answer/Comment
The effect that can be traced directly to the Supreme Court's ruling in Plessy v. Ferguson was: racial segregation was permitted for nearly 60 years.

Added 3/4/2015 3:27:59 PM
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The assassination of President Garfield showed how strongly some people resisted reform of immigration laws. A. True B. False
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Updated 12/26/2015 12:26:58 PM
1 Answer/Comment
The assassination of President Garfield showed how strongly some people resisted reform of immigration laws. FALSE.
Added 12/26/2015 12:26:58 PM
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Confirmed by jeifunk [12/26/2015 12:51:26 PM]
The Ferris wheel made its debut in which American city? A. Philadelphia B. New York C. Chicago D. Boston
Weegy: The Ferris wheel made its debut in Chicago. (More)
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Updated 1/27/2019 8:32:15 PM
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