The Right Answer Is Exoskeleton.
Th answer is D its the best answer that fits the question .
A. The data did not support the hypothesis because more people preferred tap water.
Myelin sheaths are found on the outside of nerve cells. They protect the sensitive axons underneath like how insulation protects wires.
A)Demographic; because the census studies things such as births,death, and even disease which show changes in human population
