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Science, 28.10.2019 14:45 kenn14

What is the controlled variable in the investigation? 1. the temperature of the water 2. the amount of sugar 3. the length and time that sugar completely dissolves in hot water 4. the length of time that sugar is completely dissolved in cold water?

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What is the controlled variable in the investigation? 1. the temperature of the water 2. the amount...
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