Thus, the atmosphere blocks about 77% of the Sun's UV, almost entirely in the shorter UV wavelengths, when the Sun is highest in the sky (zenith). Of the ultraviolet radiation that reaches the Earth's surface, more than 95% is the longer wavelengths of UVA, with the small remainder UVB. There is essentially no UVC.
Can Vegetarians Eat Butter? Those who follow a strict vegetarian diet are in fact allowed to eat butter as it is not a type of meat in any sense. People who are vegans however are not allowed to eat butter because of the fact that it is an animal byproduct. Many people confuse vegans and vegetarians because they seem similar, though there are some very distinct differences which are important to take note of.
1 Is a very rich source of the vital mineral selenium. 2  Saturated fats in butter have strong anti-tumor and anti-cancer properties. 3  Butter contains conjugated linoleic acid, which is a potent anti-cancer agent, muscle builder, and immunity booster. 4  Vitamin D found in butter is essential to absorption of calcium.he Bible has references to butter as the product of milk from the cow, and of Abraham setting butter and milk from a calf before three angels who appeared to him on the plains of Mamre. For millennia, people around the globe have prized butter for its health benefits.