At What Point in Its Evolution Does a Protostar Stop

question 82

Multiple Choice

At what point in its evolution does a protostar stop shrinking and stabilize into a star?

• A) when nuclear processes generate enough energy and internal pressure to resist gravitational contraction
• B) when gravitational contraction has heated up the gas to the point where radiation pressure opposes gravity for the first time
• C) when the protostar has spun off enough of its matter and is spinning fast enough that centrifugal force opposes the gravitational contraction
• D) when nuclear reactions end in the star's core

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Any factor or practice that limits or hinders the efficiency and effectiveness of production processes, thereby reducing overall productivity.

Piece Rate

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