Protoplanets are bodies or celestial objects which have the same size as the moon or a bit bigger. These bodies develop to eventually become planets. Therefore, the answer to this item is most likely letter D. outer planets.
A for sure most definitely
Determined by its primary structure (sequence of amino acids.)
the sequence of amino acids in an protein is determined by the nucleotides in the DNA encoding it
That would be called evolution or in more scientific terms: T<span>he change in the inherited characteristics of biological populations over successive generations. :p
Hope this helps!
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