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3 Cards in this Set
- Front
- Back
- 3rd side (hint)
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what are the different food groups?
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carbohydrates, protein, fibres, fruit and veg, vitamins and minerals, fats, dairy
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remember the different food sources
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what is done at the mill?
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a lot of food looks very different from the raw crop. what seeds for example are broken ip by rollers in a mill to turn them into flour
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how bread is made
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adding nitrates to soil
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plants cannot use nitrogen from the air. the gas is too chemically inert. but some natural processes take nitrogen from the air and turn it into nitrates. nitrates are inorganic salts.
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soil and air
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