Rendering. Many of these non-edible by-products do not go to waste though, as they are used in many other different industries from building supplies to pharmaceuticals.
There are no animal carcasses on the moon, to my knowledge.
That is the correct spelling of the plural noun "carcasses" (animal bodies).
A Scavenger
A scavenger is an animal that finds carcasses to eat.
Yes, carcasses of dead animals are found in the desert but usually for a brief time only as scavengers will quickly devour them.
turkey vultures are usually the first animals to eat the carcass of a dead animal.
Whale carcasses are often fed on.
Uggs, and anything with leather.
A carcass is a dead body, usually an animal body that has been slaughtered for use as food. Rotting carcasses have been left unrefrigerated long enough to be decaying.
Fossil Fuels, Metal, Stone and Animal Byproducts
Yes, because they do not contain and animal byproducts.
Normally predatory, eagles will sometimes scavenge dead animal carcasses.