What's New and Beneficial about Sweet Potatoes. 1  Orange-fleshed sweet potatoes may be one of nature's unsurpassed sources of beta-carotene. 2  Several recent studies have shown the superior ability of sweet potatoes to raise our blood levels of vitamin A. This benefit may be particularly true for children. In most U.S. groceries, you should assume that you are always purchasing a sweet potato, even if the sign says yams.. 2  Over 1 million sweet potatoes are commercially grown in the U.S. each year, while commercial production of yams in the U.S. is rare.
Oxen used in farms for plowing. An ox (plural oxen), also known as a bullock in Australia and India, is a bovine trained as a draft animal. Oxen are commonly castrated adult male cattle; castration makes the animals easier to control. Cows (adult females) or bulls (intact males) may also be used in some areas.
Back then, horses were used mostly for milk and meat. Eventually, horses joined oxen as a form of animal transportation. Size. There are more than 400 different breeds of horses. Horses can be as big as 69 inches (175 centimeters) from hoof to shoulder and weigh as much as 2,200 lbs. (998 kilograms). Tiny horses exist, too. The smallest breeds of horses can be as small as 30 inches (76 centimeters) from hoof to shoulder and weigh only 120 lbs.