Fill the blanks in pleaseI will mark you as brainlist zoom into the photo if you can’t read

they both go up but then go back down. they both end lower than they started. lastly, they both are competitive/the second on.

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

the answer is c a tornado