a) It's caused by bacteria. Pericoronitis is an infection. It's caused by normal oral bacteria, like those found in dental plaque. It's the gum relationship around a partially-erupted tooth that allows pericoronitis to occur.
A futures exchange or futures market is a central financial exchange where people can trade standardized futures contracts; that is, a contract to buy specific quantities of a commodity or financial instrument at a specified price with delivery set at a specified time in the future. These types of contracts fall into the category of derivatives. The opposite of the futures market is the spots market, where trades will occur immediately (2 business days) after a transaction agreement has been made, rather than at a predetermined time in the future.
(Redirected from Baltic International Freight Futures Exchange) The Baltic Exchange is the provider of information on maritime transportation markets, used for the trading and settlement of physical and derivative contracts. It was located at 24â28 St Mary Axe, London, until that building was destroyed by a bomb in 1992, and is now located at 38 St Mary Axe. It has further offices in Europe and across Asia.