Which is not necessary when using bar codes in supermarkets? ?->(Show Answer!)

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1. Which is not necessary when using bar codes in supermarkets?

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MCQ->Which is not necessary when using bar codes in supermarkets?....

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MCQ->Foods travel more than the people who eat them. Grocery stores and supermarkets are loaded with preserved and processed foods. This, however, often leads to environmental threats, such as pollution generated by long distance food transportation and wastage of food during processing and transportation, destruction of rain forests, reduced nutritional content, increased demand for preservation and packaging. Food insecurity also increases as the produce comes from regions that are not feeding their own population properly. With reference to the above passage, which of the following statements is/are true? 1. Consuming regionally grown food and not depending on long travelled food is a part of eco-friendly behaviour.2. Food processing industry puts a burden on our natural resources. Select the correct answer using the code given below:....

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