The gas dissolves in the water, and a top-off fill of carbon dioxide is added to pressurize the siphon to approximately 120 pounds per square inch (830 kPa), some 30 to 40 psi (210â280 kPa) higher than is present in fermenting champagne bottles.
shellfish meaning, definition, what is shellfish: sea creatures that live in shells and are eaten as food, or one of these creatures: . Learn more.
A Discovery Health answered. Shellfish such as clams, oysters, mussels and scallops filter water through two shells to feed on algae, plankton and tiny life forms called flagellates. Sometimes the flagellates eat toxic alkaloids, which makes them toxic.