Random question?

A shoe manufacturer randomly selects 10% of the production from each shift. Each of these shoes is checked to ensure that it is correctly made. What is this process called?

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A seed of a plant sticks to the fur of an animal as it walks by. How has the animal most likely helped the plant?

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What is the most reasonable explanation for why a toy car rolls farther on a wood floor than on a thick carpet?

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When liquid water freezes, it forms ice. What is the physical state of an ice cube?