What test would be used to confirm the nature of the gas given off at?

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Which of the following elements were deficient in his mother’s diet at pregnancy?

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Excess carbohydrates can be stored in the muscles in the form

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The purpose of proteins in the diet of a mammal is to

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Which of the following substances must be present in the soil for growth of a healthy green plant?

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What is the benefit of thunder and lightning to farmers?

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The main raw materials required for photosynthesis are

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The major role played by accessory pigments during photosynthesis is the phloem to

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Squirrels easily kill some trees because

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The brightly coloured petals in some plants is an adaptive colouration for

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Which of the labelled parts can be cut to-ensure permanent sterility?

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Which of the following structures in a flower develops into the seed?

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