I would think that it is B or C
The myelin sheath is the protective layer, which is present in the outer layer of the neural cells. This myelin sheath prevents the loss of electrical impulses, which are being conducted in the neurons. This also act as an insulator between neuron and its external environment.
This layer is mainly made up of the protein and fatty substance. The degeneration of the myelin sheath result in many neurological disorders.
Hence, the correct answer is myelin sheath.
The roots need all the water it can get but sense theres water in the ground it already has water which transports water to the leaves
Answer: The troposphere.
It contains half of the earths atmosphere. Weather occurs in this layer.
Answer:
if gametes were diploid, the number of chromosomes would multiply every generation. To avoid this complexity, gametes posses half the number of chromosomes as somatic cells.
i hope this helped
Explanation: