clam
A pearl is not extracted from the earth. They are found in oyster's shells. The term for it is harvesting oysters.
Wool is fabricated from animal fleece: extracted is not a term used in its production.
a pearl is not an animal. pearls are made by clams and clams are animals
by cooking animal manure methane gas can be extracted and used as a fuel
By 'cooking' animal manure methane gas can be extracted and used as a fuel.
Well, firstly you must make friends with an animal. Then, you kill your friend. Then extract the fibre. Simples.
pearl shell gives us pearl <><><><><> Oysters
The pearl is produced by the pearl oyster and is a natural response to sand and other irritants within the animal.
animal extraction is nothing but serum got from animal tissues or organs ....for example in culture labs bovine serum is widely used which is extracted from cows...
Pearl is a whale
In the same way as any animal: from digesting their food and processing the extracted nutrients.
Oysters make pearls.