DUDE THIS IS CRAZY I DONT UNDERSTAND BIOLOGY MAN PLS HELP

Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the c content of a dna molecule is 22%, what are the percentages of the remaining bases?

Along what geographical feature are most of the oil producing regions located

Where is most of the fresh water on earth found a in the ocean b in glaciers and in ice caps c in rivers d in the soil