One of holdâemâs most crucial decisions is, do I see the flop or donât I see the flop? In this lesson weâll examine the importance starting hand selection and what factors you need to consider before deciding whether to holdâem or foldâem. There are 169 different two card starting hand combinations in holdâem poker. This number assumes, for the sake of argument, that is the same as , or any other suited combination. If you are not dealt a pair, then your starting hand will either be suited or unsuited, and either connected or unconnected (gapped).
Best Answer: There are two main types of smog: gray and brown. Gray smog is associated with old cities like London or New York and is produced through large-scale burning of coal and fuel. Brown smog is more characteristic of a city like L.A. and is produced by automobile exhaust.
Photochemical Smog. Photochemical smog is a type of air pollution caused by nitrogen oxide, hydrocarbons and sunlight. Nitrogen oxide is commonly produced from the internal combustion of engines. Photochemical smog is often prevalent in some of the sunnier U.S. cities, such as Los Angeles.