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ITBS Level 14 Grade 8 Science 4
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Using a cotton swab, a student takes samples from various surfaces around the school cafeteria and grows them in Petri dishes to see where there are the most germs. He counts the bacterial colonies that grow in each Petri dish and gets this data:


ITBS Level 14 Grade 8 Science 4
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3 Questions

1. Based on these data, which of the following would be most effective in helping decrease diseases at the school?
2. Many students at the school come down with the flu at the same time. Could this be explained by the student's data?
3. What is the term for a sudden large outbreak of disease in a population, as described in another question in this quiz?

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