Science

1.Which stages do all stars have in common in their life cycles?
Answer:Protostar&nebula

2.Which of these can a star become at the end of its evolution?
Answers: black hole,neutron star,white dwarf.

3.which is a possible sequence in the life cycle of a massive star?
Answer:C

4.Based on the diagram, which statement about stellar evolution are true?
Answers:B,D

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  1. Which stages do all stars have in common in their life cycles?
    Answer: protostar, nebula

    Which of these can a star become at the end of its evolution? Choose the three correct answers.
    Answer: a neutron star, a black hole, a white dwarf

    Based on the diagram, which statements about stellar evolution are true? Select the two correct answers.
    Answer: Massive stars evolve more quickly than average stars, Average stars evolve more slowly than massive stars

    Which is a possible sequence in the life cycle of a massive star?
    Answer: nebula, protostar, star, super red giant, supernova, neutron star

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