Answer: A compound or light microscope
Explanation:
It should be every answer except: some traits are passed together from generation to generation
Surface area of the cell=4x pix2^2=50.3 um.
Volume= 4/3 x pi x 2^3=33.5 um
Ratio= 50.3/33.5=3:2
Answer: Oligodendrocytes
Explanation: Oligodendrocytes form the myelin sheath around axons in the central nervous system.
