"Graves' disease is an immune system disorder that results in the overproduction of thyroid hormones (hyperthyroidism). Although a number of disorders may result in hyperthyroidism, Graves' disease is a common cause."
-https://www.mayoclinic.org/diseases-conditions/graves-disease/symptoms-causes/syc-20356240
False is the answer ur conclusion is your summary hypothesis is a guess
A. Insulin as it is a human hormone produced in the pancreas to the liver....
Hope this helps ya
2.0 because 2.05 is about two and a half where as 2.0 is considered to be a whole number , hope this helps