Drive-reduction theory stipulates that primary drives are important for while secondary drives are important for
O survival; experiential learning
O achievement; affiliation
O experiential learning; survival
O affiliatiori; power

true is the final answer!

the dark variety, as they are not visible on the dark tree barks

explanation:

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