Прочитайте текст и ответьте на вопросы по тексту(письменно и в полном размере) : 1. How did people preserve food in the past ? 2. Why did Columbus take packed food on his expeditions ? 3. Why do we need to process milk ? 4.When do we need to process fresh fruit and vegetables? 5. How was canning invented ? 6. When should you eat canned food ? 7. What heavily processed foods do you eat ? 8. Is homemade food processed food ? 9. Should we cut down on eating processed food ?