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1. What harm can be done by reporting false or poor data in a scientific report ? How does the scientific method correct such errors and fraud ?

2. What observations did Galileo make that reinforced the heliocentric model ? Why did these observations contradict the geocentric model ? Why could these observations not have been made before Galileo ?

3. How could you prove to a member of the "Flat-Earth Society" that the Earth is really round ?

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