Geography, 04.08.2020 22:01 fatimaramosc11ouv4s2
After it experiences a "helium flash" a star like the Sun will have a brief period of stability, fusing helium into carbon (and sometimes oxygen). During this brief stable stage, the star:a. Increases tremendously in luminosity. b. Gets to be even larger in diameter than it was as a red giant. c. Returns to the position on the H-R diagram that the star had in its main-sequence stage. d. Is able to fuse many of the heaviest elements (such as iron and gold) in its superhot core. e. None of the answers provided is the correct answer
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Compounds which are found naturally in the earth are called: a. ores b. composites c. rocks d.minerals
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Crisis in rivalries between the serbs, croatians and muslims has been going on for centuries and only intensified during the 1990s when non-communist rulers were elected
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What statement about charlemagne is not true? a. charlemagne's empire collapsed during his rule b. charlemagne sent missionaries throughout europe c. charlemagne encouraged the arts and education d. charlemagne ruled much of western europe a. charlemagne's empire collapsed during his rule
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After it experiences a "helium flash" a star like the Sun will have a brief period of stability, fus...
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