This center part is not present in everyone's hair or may be broken into segments. a
Medulla
b
Cortex
c
Cuticle
d
Keratin

C. Cuticle

Explanation:

Cuticle is the correct answer for this question

plato users

given bodies of water

pacific / arctic / indian / southern

[ a ] the caribbean sea

[ b ] the northern ocean

[ c ] the atlantic ocean

[ d ] the barents sea

with this being the given answers

because the light is a great source of energy for the plants to survive. (i hope this )