The launch of the russian satellite in 1957, began the space race between russia and the united states. fill in the blank

The rearrangement of particles in a physical change. hope this

The answer is water molecules are split.cellular respiration and photosynthesis are complement  reactions to each other. these are reverse reactions. in cellular respiration glucose and oxygen yield water and carbon dioxide. so, when respiration begins,  glucose molecules are split. in the opposite reaction - in photosynthesis, carbon dioxide and water yield glucose and oxygen. thus,  when respiration begins, water molecules are split.

Amagnetic field "does not" interact with stationary electric charges. so, a.hope my answer you : )