Which statement is true according to the quantum model of the atom? when an electron drops down from a high energy level to a lower one, light energy is emitted. when an electron jumps up from a low energy level to a higher one, light energy is emitted. every orbit around the nucleus of an atom is the same energy level. after they emit light, electrons are sucked into the nucleus of the atom.

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.

Compare the parts of a cell and the cell as a whole to another common nonliving system (i. e., a car, a city, describe the parts of a cell and their primary function.

What if the yeast were extremely active and produced more than 100ml gas. would you know? why/why not