Answer the question below

Which best explains how this maneuver unblock a person's airway?

Compare the composition of the moon's surface with the composition of the earth's surface.

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants.d- food molecules are broken down in the cells if living things.