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7. Mateo and Jackie were on a playground rolling some different sized balls to get them to crash. They
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World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course. a. 12.5m/s b. 1.33m/s c. 13.3m/s d. 1.25m/s
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Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation
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Scientists discover two populations of mice on either side of a major river. the two populations have almost identical genes but the mice from one side cannot breed with mice from the other. this is most likely because
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7. Mateo and Jackie were on a playground rolling some different sized balls to get them to crash. Th...
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