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.
While much of the protein in the American diet comes from beef and pork, this isn't necessarily the case around the world. People in some countries eat little or no meat, getting much of their protein from vegetarian protein sources, and some people get their protein from foods many Americans have never tried.
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.