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.
A gallon is equal to 128 fluid ounces, since 32 multiplied by 4 is 128. A gallon is also equal to 8 pints or 16 cups. One-half gallon or 2 quarts is equal to 64 ounces, which is the same as eight 8-ounce glasses, the often recommended amount of water a person should drink in a day.