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.
Report Abuse. There are plenty of vegetarians who eat cheese, because lacto-ovo-vegetarians consume eggs and dairy, even though they don't eat meat. Vegans, however, abstain from ALL animal byproducts. Source(s): Been there, done that.eport Abuse. Vegetarians do usually eat cheese. Vegans eat NO animal products. Vegetarians eat all kinds of cheese but absolutely no meat. Vegans again eat no animal products this includes eggs, dairy and any kind of meat. Also vegetarians cant eat cheese that may have some source of meat so it all depends.