0.0082 You have to equal out the amount of concentration with the unknown
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you need only one independent variable because if not, you wont know what factors have changed your experiment.
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Many things, but i think a toaster...
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When’s I would like to say that it may be B because
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Explanation:Energy is the capacity of a physical system to perform work. Energy exists in several forms such as heat , kinetic or mechanical energy, light, potential energy , electrical, or other forms. Energy is the ability to do work. Energy sources could be classified as Renewable and Non-renewable.