Starlight travels through space by radiation which moves in waves at the speed of light, which is close to almost 300,000 kilometers per second. As space is vast and continuing to expand, the starlight that we see may have been travelling millions of years already, with the actually star already extinct.
A point mutation can either be silent, missense, or nonsense. In silent mutations, the codon is changed but the encoded amino acid is not changed. This is because different codons code for the same amino acids. Missense mutations will have a significant effect on the protein because the amino acid is replaced by another. A nonsense mutation will result to a fragmented protein because the mutation will lead to the formation of a stop codon which will stop the translation process.
This symbiotic relationship probably developed 1.7 to 2 billion years ago. A few groups of unicellular eukaryotes have only vestigial mitochondria or derived structures: the microsporidians, metamonads, and archamoebae.
Answer:Liquid cause it so so hot that the inner core was a melted form of rocks
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