Answer:
All annelids and arthropods have a body plan. Unlike annelids, arthropods also have a coelom, and a segmented body. The circulatory system of annelids is closed, while the circulatory system of arthropods is opened.
Explanation:
Must be talc because it is one of the softest minerals
Acne is to excessive secretion of oil
C) the changes reflect...
Although now it causes more harm than good because it doesn't really have a purpose, it is believed it once was used for humans to digest bone.