Ground oyster shells will make soft water harder. Therefore, it will make hard water, harder.
Yes.
Yes and no. The original oyster does not regrow because he was eaten at a clambake, but instead the shell is commendered by various microorganisms which attract a new juvenile oyster to the shell only to become impregnated and form the second half of the shell..
The water animal like an oyster whose shell has two parts hinged together is the bi-valve. This includes clams, mussels and scallops.
Bi-valve
The oyster's shell provides protection from predators. Oysters do not need to shed their shell because the eat and expel waste products buy opening their shells and pumping water in and out with hairlike structures call cilia.
Capiz shell does not have to be soften, the shell is already very thin and flexible (also called paper shell clam).
They do not give birth. They release sperm and eggs into the water, some species retain the eggs in their shell for incubation.
Water is absorbed by osmosis inside the seeds of any plant, which soften the seed's shell and triggers germination.
The Mississippi River. Divers dive into the muddy water and feel around the bottom to find them. After pearls are removed the shells are ground up and sent to Japan where they place a piece of the shell in each oyster to grow a cultured pearl.
you need to soak it first in water overnight until the first coating/shell will come off then boil it until it soften...
ground water
They absorb water by setting the eggs into vinegar, it will soften the shell. When you put them in water there shells will let the broken down particles of water to seep through the shell.