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Sonja [21]
3 years ago
13

When does a protostar become a true star?

Geography
1 answer:
Lubov Fominskaja [6]3 years ago
5 0

Answer:

C) when nuclear fusion begins in the core

Explanation:

  • <u>The protostar is a main-sequence star that has a core temperature that exceeds abut 10 million K and is needed for the hydrogen to operate efficiently and the </u><u>length </u><u>of this process depends on nature and the stellar </u><u>mass</u><u>, as the huge massive star have a greater and bigger core and fusion takes fast. </u>
  • A protostar is also called as primitive star and represents the earliest phases of the process of the stellar evolution and takes place after it leaves form the main sequence star.
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3 years ago
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Explanation:

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3 0
3 years ago
Since the end of communism albania economic growth has suffered because of
Paraphin [41]
<span>Since the end of communism albania economic growth has suffered because of its transition from<span> a communist to an open-market economy, and from invasions to its neigboring countries</span>. In fact, its real GDP growth was decreased by 3.7 %.

I hope my answer has come to your help. God bless and have a nice day ahead!
</span>
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