give at least one instance of your life where you are a doer of an action that is beneficial to other people in your society​

ucd e e. rr. t t t t t t. to

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added