Describe two uses of surfactants. At least one must be something that was not described in the passage. For each example, explain how the effects of the surfactant make it useful..

there is none because earth is stationary and flat.

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl

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