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.
Calories in lettuce. Find nutritional information like calories, carbs, fat, protein and fiber for lettuce. Fresh or Dried Vegetables : Iceberg Lettuce, raw. Fresh or Dried Vegetables : Cos or Romaine Lettuce, raw. Fresh or Dried Vegetables : Green Leaf Lettuce, raw.