Sugar is added to all sorts of foods and drinks to make them taste sweet or to preserve their flavour. And itâs not just found in products youâd expect, such as cakes, biscuits, fizzy drinks and desserts. Youâll also find it in things like baked beans, bread and cereal.
When did Eratosthenes live and die? Eratosthenes was born in Cyrene, Shahhat, Libya in 276 BC and died in Alexandria, Egypt in 194 BC. He was an astronomer, mathematician, and geographer, who eventually beca â¦ me the chief librarian at the Library of Alexandria.
By noting the angles of shadows in two cities on the Summer Solstice, and by performing the right calculations using his knowledge of geometry and the distance between the cities, Eratosthenes was able to make a remarkably accurate calculation of the circumference of Earth.