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pri pri
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5 years ago
Technician A says that formaldehyde can cause cancer. Technician B says that oxides of nitrogen are converted by living plants into oxygen. Which technician is correct?
A) Technician A only      B) Technician B only      C) Both technicians      D) Neither technician
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andrew.khimzandrew.khimz
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5 years ago
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pri Author
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5 years ago
White Heavy Checkmark Correct!
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