eco-friendly - not harmful to the environment, additive - a substance that is added to smth for a special purpose, artificial - not natural but made by people, carbon footprint - a measure of the amount of carbon dioxide that is produced by the daily activities of the person, global warming - the increase in the temperature of the earth 's atmosphere, greenhouse gases - harmful gases in the air that cause the warming, protein - a substance found in food such as meat, fish and eggs, recycle - to put used objects and materials so that they can be used again, unhealthy - likely to cause illness or poor health, carbohydrate - a substance in food , for example, in sugar, that gives energy, energy-efficient - able to work well without wasting fuel or energy,

Unit 3 Insight Pre-Interm

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