GM foods - foods that have had their genetic structure modified so that they are not affected by particular diseases or harmful insects or so that they grow in a particular way or environment., Organic farming - method of growing food without using artificial chemicals, Pesticide - chemical that is sprayed on crops to kill unwanted insects, Herbicide - chemical that is sprayed on crops to kill weeds, Additive - a substance that is added to food to enhance its taste or appearance, etc., Preservative - a chemical substance that is used to prevent things from decaying or going bad in a short space of time, Nanotechnology - the manipulation of matter at the scale of atoms and molecules,

A Question of Balance

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