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Vlada [557]
4 years ago
14

1) If a star's temperature were doubled, its new luminosity would be _____ the original luminosity.

Geography
1 answer:
ehidna [41]4 years ago
3 0
2) The source of fuel used to make the sun shine is hydrogen
Answer: c
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Explanation:

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The graph shows the comparison of the human welfare and ecological footprints.

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