Answer:
The cuticle is the hair's protective layer, the cortex forms the pigment of the hair, the health of the cortex depends on the cuticle protecting it while the medulla is the innermost of the hair.
Explanation:
The cuticle is the hair outermost layer, the cortex is the middle structure for strength while medulla is the inner most.
Answer:
the procedure aims to replace the stem cells in the bone marrow the source of new red blood cells with healthy stem cells from a matching donor
Answer: C
Explanation: The Moon has phases because it orbits Earth, which causes the portion we see illuminated to change. The Moon takes 27.3 days to orbit Earth, but the lunar phase cycle (from new Moon to new Moon) is 29.5 days.
I think its option b, may carry out nitrogen fixation.
Answer:
ugh i wish I knew it its number 19 for my exam on flvs
Explanation:
