Unit 9 When was it invented? Section B crispy and salty Describe how food tastes. sour sweet sweet Listening (2a, 2b: P71) 1. The potato chips were invented by mistake. 2. They were invented in 1863. 3. The customer thought the potatoes werent thin enough. T F T 4. The customer said they werent salty enough. 5. George wanted to make the customer happy. 6. The customer was happy in the end. T F F _that potato chips were invented by mistake? Chips _ _by a chef called George Crum. They were invente
