6. Which of the following is NOT the correct way of preserving food? A. Keep the vegetables in a cooler in the refrigerator. B. Add vinegar to the ripe strawberry in making strawberry jam. C. Boiled or sterilized the food in the bottle to kill off microorganisms. D. Used preservatives to prevent the growth of microbes in the food being preserved. 7. How will you destroy the most dangerous bacteria in the boiling/sterilizing method? A. Boiled/sterilized at a temperature of 20-30 °C. B. Boiled/sterilized at a temperature of 30-40 °C. C. Boiled/sterilized at a temperature of 40-50 °C. D. Boiled/sterilized at a temperature of 50-60 °C. 8. How is food preserved in the Fermentation method? A. Soak or saturate the food with an adequate amount of salt. B. Soak or saturate the food in an adequate amount of salitre. C. Soak or saturate the food in an adequate amount of vinegar. D. Soak or saturate the food with an adequate amount of sugar. 9. How can we maintain the freshness of the extra meat, fish, and egg that we bought? A. Keep them inside the freezer of the refrigerator. B. Keep them in a cooler in the refrigerator. C. Place them on top of the table.​