Flushing History. Household toilets made between 1980 and 1992 flushed the bowl utilizing the gravitational force of 2.5 to 3.6 gallons of water, which meant that the average homeowner used as much as 18.8 gallons of water daily.
Lesson Summary. A monocot is a type of flowering plant that is characterized by having a single cotyledon, trimerous flowers, and parallel leaf veins. Monocots are economically important as food sources for both humans and animals, and they grow in a variety of habitats, including the tropics.esson Summary. A monocot is a type of flowering plant that is characterized by having a single cotyledon, trimerous flowers, and parallel leaf veins. Monocots are economically important as food sources for both humans and animals, and they grow in a variety of habitats, including the tropics.
The most common example of a monocot leaf is a blade of grass. Cornhusks, rice, coconut, tulips and onions are all examples of monocot leaves. These are the most common type of monocots, but there are many more monocots that are more exotic and less common. The dicot leaf is a more popular type of leaf and can be found on maple trees, roses and sunflowers.