21 is the right answer because question one and question to are not the samegvvv question of the question of what I was going through
Answer:
El proceso de cambio en la estructura de especies de una comunidad ecológica a lo largo del tiempo
Explanation:
Maybe they were seperated at birth? or one dyed their hair or had gray hair at a younger age than usual
Answer:
The portion of the genome that codes for a protein or an RNA is referred to as a gene. Those genes that code for proteins are composed of tri-nucleotide units called codons, each coding for a single amino acid.
Explanation: