A fen is one of the main types of wetland, the others being grassy marshes, forested swamps, and peaty bogs. Along with bogs, fens are a kind of mire. Fens are usually fed by mineral-rich surface water or groundwater.
Quick Answer. A gallon has 4 quarts. Each quart has 2 pints, so a gallon also contains 8 pints. Each pint is 2 cups, so a gallon has 16 cups.
There are 4 quarts in a gallon. The contents of a gallon can either be fluid or dry, with different volumes for each. For example, a quart is equal to 0.25 gallons, therefore, there are 4 fluid quarts in a fluid gallon and 4 dry quarts in a dry gallon.