when would evaporation be a good method for separating the parts of a mixture? a when the boiling points of the components or different b. when some of the components or magnetic c. when the densities of the components are different d. when some of the components are very small

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.

yes

no

blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.