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In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius
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The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils
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Si un atomo gana 6 electrones ¿ disminuye su número atómico? Porque...
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