Is there any functional advantage to having peripheral nerves with
multiple spinal nerve contributions? notice that most thoracic
spinal nerves do not participate in the formation of plexuses. can
you think of a reason why?

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.

protistas excret ethanol used in the manufacture of vinegar