Coral reefs are deteriorating mostly because of our pollution
deteriorating
The old building showed signs of deteriorating with peeling paint and crumbling walls.
The noun for the stuff that is deteriorating is whatever the stuff is; for example, the deteriorating house or a deteriorating painting; the remains of the deteriorated city. The past tense, deteriorated, can also be used as a noun. Example sentence: The group that lived under the underpass were the deteriorated and the dejected.
penta-fingernails
The fingernails are distal to the wrist. The wrist is proximal to the fingernails.
you duct tape their fingernails and when they forget that the pick their fingernails and then its all done
Deteriorating.
People's fingernails are designed to protect the ends of our fingers, which are much more delicate than fingernails are.
Worsening, declining, deteriorating, deteriorative.
fingernails
they do have flat fingernails