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    Physics & Astronomy
  3. Study Set
    Investigating Astronomy
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    Exam 11: Inferring Patterns in Star Life Cycles
  5. Question
    Prior to Reaching the Main Sequence,a Protostar's Energy Comes Mostly
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Prior to Reaching the Main Sequence,a Protostar's Energy Comes Mostly

Question 20

Question 20

Multiple Choice

Prior to reaching the main sequence,a protostar's energy comes mostly from


A) gravitation.
B) nuclear fusion.
C) nuclear fission.
D) natural radioactivity.

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