Despite the fact that people have some novel highlights not found in different species, we are firmly identified with gorillas, and comprehensively to primates, different well evolved creatures, creatures, and organic entities. The chimpanzee is our nearest relative, and we share up to 98% of DNA grouping with them. It is assessed that our basic precursor lived around 6 million years prior.

Idont understand the question

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.