Describe the negative feedback loop of the hormones listed above. include where they are made, their target tissue and function.

The negative feedback loops:

"When the product or results of any reaction leads to the decrease in that process, such a loop formed is called as the negative feedback loop."

Hormones:

"Hormones are chemical particles or messengers which are mostly secreted by glands(pituitary glands ,adrenaline glands etc), and are poured directly inside the blood."

Explanation:

The Balance in Thyroid hormone level:

The human blood has a number of elements which must be kept in a balance or equilibrium, as increase of the thyroid hormones inside the blood resulting in a negative feedback loop.As we have the explanation below;

The Hypothalamus and the adrenal gland:

In case the level the thyroid hormone is in increased level then the TSH secretion is inhibited and the hypothalamus stops to secret the TRH. As this process or cycle created is called as  the negative feedback loop.

the earth is thought to have been formed about 4.6 billion years ago by collisions from a cloud of hydrogen, helium, rock, ice and other materials. these were pulled together by gravity to form objects in and around earth like- asteroids and small early planets called planetesimals.

so, the best possible answer to this question will be option d- to harden materials to form different parts of earth’s layers