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Biology, 22.06.2019 11:00
Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit
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Biology, 22.06.2019 15:00
When fossil fuels are burned, carbon dioxide is released. how does this gas impact the environment?
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Biology, 22.06.2019 20:30
Which type of mutation occurs in reproductive cells and can be passed to offspring? somatic mutation germline mutation point mutation frameshift mutation
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Mathematics, 30.06.2019 05:30
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Mathematics, 30.06.2019 05:30
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Mathematics, 30.06.2019 05:30