Chemistry, 24.10.2020 06:10 robbiannb1399
Explain why a star can have an apparent magnitude of 12 and an absolute magnitude of -2?
Answers: 1
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Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
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Consider the story you just read. all but one of the choices below indicate that something is living.
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Explain why a star can have an apparent magnitude of 12 and an absolute magnitude of -2?...
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