Draw a line graph that illustrates the relationship between skin reflectance (high numbers = lighter skin color) and serum folate levels for a population living at a low latitude (or high UV index).

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.

not only is it colder, it also becomes darker, less salty, and more dense.