An individual with the disorder xeroderma pigmentosum is hypersensitive to sunlight succumbs to dna damage caused by light exposure. what is the probable cause for this disorder?

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.