Protoplanets are bodies or celestial objects which have the same size as the moon or a bit bigger. These bodies develop to eventually become planets. Therefore, the answer to this item is most likely letter D. outer planets.
Basically all of the choices given are failure of negative feedback mechanisms to maintain homeostasis. The correct option among all the options that are given in the question is the last option or option "E". I hope that this is the answer you were looking for and it has come to your help.
An example of plain language is federal government <span />
Milk packaging is designed to be attractive to the customer, give information, ease transport and to protect the product to maximize shelf life. Tetrapak cartons protect the product from light, air and microorganisms.