Detailed composition: abundance of the elements in seawater. Salinity: the main salt ions making the sea salty. Density: the density of sea water depends on temperature and salinity. Dissolved gases: the two important gases to life, oxygen and carbondioxide. Limiting hydrogen ions and ocean pH.
Roux (/ËruË/) is flour and fat cooked together and used to thicken sauces.[1] Roux is typically made from equal parts of flour and fat by weight.[2] The flour is added to hot oil on the stove top, blended until smooth, and cooked to the desired level of brownness.
The roux is used in three of the five mother sauces of classical French cooking: bÃ©chamel sauce, veloutÃ© sauce, and espagnole sauce. In Cajun cuisine, roux is made with bacon fat or oil instead of butter and cooked to a medium or dark brown color, which lends much richness of flavor, albeit less thickening power.