The answer is Cortisol. It is a steroid hormone found in glucocorticoid class of hormones and at the point when utilized as a solution, it is known as hydrocortisone. It is delivered in people by the zona fasciculata of the adrenal cortex inside the adrenal organ.
D. seems the best to me so hope it helps
Active immunity
Active immunity is when something triggers an immunity system to produce antibodies, this something being a vaccine. Hope this helps!
Just use photo math it’s great it’ll give you all the answers
