20 points!
which of these experiments would make use of qualitative data?
a. a study on the effects on sunlight on the growth rate of plats.
b. a study of different surfaces to compare luster or shine.
c. a study on the change in freezing point of water when salt is added.
d. a study of different shapes to compare rolling friction values.

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?

Ais a group of individuals of the same that exist together in the same place at the same time

In guinea pigs, black fur (b) is dominant over white fur (b). cross a heterozygous (hybrid) black guinea pig with a homozygous (purebred) white guinea pig. complete a punnett square, identify the genotype(s), phenotype(s), and probability (% and fraction) that the offspring will be black and white?