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.
Most vegetables can only provide 1 or 2 grams of protein for every cup. This becomes a problem, especially if you are a vegetarian, because the daily recommended intake of protein is 0.36 grams for every pound of body weight. Fortunately, certain vegetables do have substantial protein levels and can act as great substitutes for animal proteins. Below are the top five sources of vegetable proteins. 1. Soybeans. Soybeans are perhaps the No. 1 source of vegetable protein you can find. Each cup of cooked soybeans can provide you with 29 grams of protein.