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.
Vegans don't eat dairy and cheese is dairy. If you want to be vegan you have to eat soy or rice cheese...or no cheese at all. You can really eat what you want, but vegans don't eat animal products. Vegans don't eat dairy cheese, but they may eat cheese made from soy or rice milk. Loading ... No vegans do not eat any dairy products. That includes cheese, yogurt, milk chocolate, custards any kind of dairy. But there are plenty of soy alternatives for all these foods.