What protective layer of Earth's atmosphere absorbs most of the Sun's harmful ultraviolet radiation?
What is the word for an animal that eats only plants?
Mount Kilimanjaro rises in which country?
Geography
Tempeh, a dense cake made by fermenting soybeans with a mold culture, originated in which country?
Food & Drink
Which band recorded the 1971 rock epic "Stairway to Heaven"?
Music