There are 4 calories in 1 ounce of Iceberg Lettuce (Includes Crisphead Types). Calorie breakdown: 8% fat, 76% carbs, 16% protein.
Cryptosporidium (crip-toe-spor-ID-ee-um) is a protozoan, a single-celled parasite that lives in the intestines of animals and people.
Rubidium vapor is used in laser cooling systems. Rubidium has an atomic number of 37, and it is identified as Rb on the periodic table. Rubidium was discovered in the nineteenth century with the help of a spectroscope.ubidium vapor is used in laser cooling systems. Rubidium has an atomic number of 37, and it is identified as Rb on the periodic table. Rubidium was discovered in the nineteenth century with the help of a spectroscope.