Answers 1-15. I didn’t know if you needed a letter or not so I just put it just in case.
idk but i think it is the peripheral nervous system
C. nerve cells.............................
Answer:
the international astronomical union (IAU) downgraded the status of pluto to that of a dwarf planet because it did not meet the three criteria the IAU uses to define a full-sized planet essentially pluto meets all the criteria except one it has not cleared its neighboring region of other objects