C. Rock salt ... 1) was sea salt many years ago. 2) can only be of white colour. 3) and other salts taste the same. D. Which of the following is NOT true today? 1) Salt is cheap and easy to buy in shops. 2) Traditional salted foods are popular. 3) People can use salt instead of money. E. If you say that somebody is the salt of the earth, it means that ... 1) you like them. 2) you don't believe them. 3) they are unpleasant.

C. Rock salt ... 1) was sea salt many years ago. (1 - True, rock salt is formed over geological timescales) 2) can only be of white colour. (2 - False, rock salt can have different colors due to impurities) 3) and other salts taste the same. (3 - False, different salts have different tastes) D. Which of the following is NOT true today? 1) Salt is cheap and easy to buy in shops. (1 - True) 2) Traditional salted foods are popular. (2 - True) 3) People can use salt instead of money. (3 - Not True - Historically it was used, but not today) E. If you say that somebody is the salt of the earth, it means that ... 1) you like them. (1 - Incorrect) 2) you don't believe them. (2 - Incorrect) 3) they are unpleasant. (3 - Incorrect) It actually means that the person is valuable or essential.