A hormone secreted by the adrenal glands, especially in conditions of stress, increasing rates of blood circulation, breathing, and carbohydrate metabolism and preparing muscles for exertion.
B is the answer
<span>least 20 characters </span>
The answer to the question is "B. Roman Numerals"
They are not allike as na atom has 11 elctrons and Na ion has 10 electons. <span>They both have the same nucleus (same number of protons and neutrons). The only difference is that the ion has one less electron than the atom (in this case).</span>