Which material is lightweight and commonly used for snack bags and bottles?, Biodegradable Packaging, Plastic Packaging, Canning, Tetra Pak, What is the main purpose of canning?, To freeze the food, To add more air in the container, To heat food and seal it to kill bacteria , To dry the food, What happens during vacuum sealing?, Air is removed to keep food fresh longer, Air is added to keep food soft, Food is heated in a metal can, The package changes color, What type of packaging is commonly used for milk and juice?, plastic bags, Tetra pak, Vacuum sealing, Biodegradable packaging, Why is biodegradable better for the environment?, It lasts for many years, It breaks down naturally, It is made of metal, It traps heat inside the packages, What does MAP (Modified Atmosphere Packaging) do to keep food fresh?, Removes all air from the package , Freezes the food, Uses heat to kill bacteria, Changes the air inside using gases like nitrogen, Which packages is not environmentally friendly because it takes a long time to break down?, Biodegradable packaging, MAP, Plastic packaging, Tetra Pak, Which method is best for keeping food fresh without adding chemicals?, Canning, MAP, Plastic packaging, Adding Preservatives, Why can canned food last for months or years without refrigerations?, Because the can has no oxygen and bacteria are destroyed., Because the food is frozen inside the can., Because the can is very thick., Because chemicals are always added., Which technology removes most air but does not change gases inside the package?, MAP, Tetra Pak, Plastic Wrap, Vacuum Sealing.

Multiple Choice (Unit 3)

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