Tell us how a red dwarf differs from a red giant and a white dwarf from a white giant. Which of the following

Tell us how a red dwarf differs from a red giant and a white dwarf from a white giant. Which of the following stars belong to the main sequence?

The red dwarf is in a stationary state, in its depths a thermonuclear reaction of converting hydrogen into helium takes place. The red dwarf belongs to the main sequence. The red giant is formed when hydrogen runs out and a thermonuclear reaction occurs in the core, converting helium into carbon. The red giant does not belong to the main sequence. The white giant is in a stationary state, in its depths a thermonuclear reaction takes place, converting hydrogen into helium. The white giant belongs to the main sequence. In the depths of a white dwarf, a thermonuclear reaction hardly occurs. The white dwarf does not belong to the main sequence.

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