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ryobu ryobu
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Posts: 2240
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8 years ago
Would an observational study or an experiment be more appropriate to investigate the effects on humans of a substance known to be toxic? Explain.
Textbook 
Government in America: People, Politics, and Policy

Government in America: People, Politics, and Policy


Edition: 15th
Authors:
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- Enrolled in an AP law course
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bio_manbio_man
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8 years ago
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ryobu Author
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8 years ago
Thank you for helping me out. Because of you, I got it right.
- Enrolled in an AP law course
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