Why do my left eye twitch when I blink

Which of the following supports the argument that viruses are nonliving? a) they are not cellular.b) their dna does not encode proteins.c) they have rna rather than dna.d) they do not evolve.

Which of these example of a hereditary risk factor? smoking, eating junk food everyday, being a couch potato, having fair skin that is prone to sunburn

Which one of the doll choices is a bio marker of biological again that can you determine whether or not you’re doing or worse than your chronological age