Relacionar Columnas DO YOU KNOW? cz.5Versión en línea Find answers to the questions by clicking the right boxes. por Monika Wójcik 1 Which animals are the only mammals that can fly? 2 How much water can an elephant's trunk hold? 3 Can whales swim backwards? 4 How many colours can crocodiles distinct? 5 When was the first English dictionary written? 6 When was the $ sign introduced? 7 Are camels born with humps? 8 When were plastic bottles first used for soft drinks? 9 When was the tea bag invented? 10 Do horses and giraffes sleep standing up? in 1908 in 1970 in 1788 bats in 1755 No over 5 litres None. They are colour blind. No Yes