Asteroids range in size from Ceres-the largest at about 950 kilometers (590 miles) in diameter and also identified as a dwarf planet-to bodies that are less than 1 kilometer (0.6 mile) across. The total mass of all the asteroids combined is less than that of Earth's Moon.
Only about one-third of the protein eaten around the world comes from animals raised for food. Much of the protein consumed around the world comes from vegetarian sources, including grains, legumes, nuts and seeds. Three grains -- wheat, maize and rice -- provide 60 percent of the world's energy, as well as a good percentage of the protein consumed.
Protein: The highest quality protein is found in eggs and is often used by scientists as a standard for measuring the quality of other protein sources. The minimum recommended daily allowance for protein for an adult is 0.8 grams of protein for every kilogram of body weight (2.2 pounds = 1 kilogram).So for a 150 pound person, 55 grams of protein would be the minimum RDA.ther foods sources of choline include milk, liver and peanuts. Selenium: Eggs provide 27 percent of the recommended daily allowance of selenium. Selenium is an antioxidant and works along with vitamin E to protect cells from chronic damage. Brazil nuts, canned tuna and poultry top the list for food sources of selenium.