<span> one of the </span>waves<span> that are propagated by simultaneous periodic variations of electric and magnetic field intensity and that include radio </span>waves<span>, infrared, visible light, ultraviolet, X-rays, and gamma rays.</span>
Answer:
fourth option is best or relationship between plants and animals
It acts an insulator on the neurons. The neurons are covered with it and hence the nerve impulses have to jump over the myelin sheath to reach other neurons. This causes nerve impulses to move rapidly from neuron to neuron.
Take some points and here’s brainless lol
