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Chewing or mastication is the process by which food is crushed and ground by the teeth. It is the first step in the process of digestion , allowing a greater surface area for digestive enzymes to break down the foods.
The River Chew is a small river in England that flows for some 17 miles (27 km) through the North Somerset countryside to form the Chew Valley before merging with the River Avon. [1] The spring from which the Chew rises is just upstream from Chewton Mendip. Strode Brook and Winford Brook are the main tributaries, both joining the Chew from the ...
Fish farming is the principal form of aquaculture, while other methods may fall under mariculture. It involves raising fish commercially in tanks or enclosures, usually for food. A facility that releases juvenile fish into the wild for recreational fishing or to supplement a species' natural population is generally referred to as a fish hatchery.
The Great Fish Market, painted by Jan Brueghel the Elder. Fishing is a prehistoric practice dating back at least 70,000 years. Since the 16th century, fishing vessels have been able to cross oceans in pursuit of fish, and since the 19th century it has been possible to use larger vessels and in some cases process the fish on board.