Question

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How do vegetable seller fast calculation in mind?
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Answer 1

Answer:

Chromatography is a laboratory technique for the separation of a mixture. The mixture is dissolved in a fluid called the mobile phase, which carries it through a system on which is fixed a material called the stationary phase.

Answer 2

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You can use quarter and half amounts if you do not manage the full serving size. Then add all the amounts up at the bottom to see how close you are to achieving at least 5, if not, 10 servings a day. Ideally you want to aim for a ratio of 2 servings of fruit to 7 servings of vegetables.

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