Schrodinger's atomic theory became the basis for modern atomic theory. before this theory can be replaced, what must happen? . a. scientists must alter and study existing models.. b. scientists must apply and review new technologies.. c. scientists must re-examine and reject earlier theories.. d. scientists must test and agree on a new theory..

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.