Curium is a hard, brittle, radioactive silvery metal. It does not occur in nature and must be made in a nuclear reactor by neutron capture reactions from plutonium and americium isotopes. It tarnishes slowly in dry air at room temperature.
Romaine lettuce is a rich source of fiber and has very few calories, only 8 in a one-cup serving. In terms of vitamins, a cup of Romaine lettuce delivers more than 50% of your daily requirement for vitamin A, as well as significant levels of vitamin K and vitamin C.
The key to growing crisp, sweet Romaine lettuce, is to get it growing at a fast pace. That means plenty of water, and a healthy dose of fertilizer. Tip: When transplanting lettuce in hot weather, place some form of sun shade over the plant for a couple of days.he key to growing crisp, sweet Romaine lettuce, is to get it growing at a fast pace. That means plenty of water, and a healthy dose of fertilizer. Tip: When transplanting lettuce in hot weather, place some form of sun shade over the plant for a couple of days.