Astar that has expanded and cooled?

The concentration of dust clouds and gas in space that forms a star. A star that has expanded and cooled, resulting in it becoming red. It has used up all the hydrogen in its core and is now using helium as a fuel. When nuclei of hydrogen atoms join together to form helium and they release energy in the process.

mark brainliest please

you gurl, you the real star here, lol

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

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sadness is not good

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