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Kisachek [45]
2 years ago
15

A star passes through stages of instability and stability. When core hydrogen fusion begins in a pre–main-sequence star, the sta

r enters a stage of _____
Social Studies
1 answer:
Sveta_85 [38]2 years ago
5 0

A star passes through stages of instability and stability. When core hydrogen fusion begins in a pre main sequence star, the star enters a stage of <u>stability</u>.

When the body has sufficient mass, the collapsing gas and dust burn hotter which eventually reaches temperatures enough to fuse hydrogen into helium. Thus, the star turns on and becomes a main sequence star, powered by hydrogen fusion.

A pre main sequence star is a star in the stage when it has not yet reached the main sequence. Earlier it is a protostar that grows by acquiring mass from its surrounding dust and gas.

Hence, in the pre main sequence star stage, core hydrogen fusion begins and the star enters a stage of stability.

To learn more about pre main sequence star here:

brainly.com/question/14094439

#SPJ4

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iragen [17]

Answer:

Human agency.

Explanation:

As the exercise explains, the human agency is the notion that students that students have the capacity to exercise influences over their life events and coordinate their own learning, motivation, and emotions. It's the belief that one has the power to control his-her life; be it emotions or learning.

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From the information I found , the longest Chinese dynasty was the Zhou dynasty which lasted from 110- 256 BC


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svetlana [45]

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It has been suggested that treating depression and anxiety with sedatives/hypnotics, especially benzodiazepines, may reduce the risk in the first few weeks. Sedatives/hypnotics also have inhibitory and disinhibitory properties, but these may increase the risk

Learn more about  central nervous system here: brainly.com/question/26348097

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ch4aika [34]

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