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Q:

The flame propagation velocities range from _____________

A) 10 to 15 m/s B) 15 to 70 m/s
C) 20 to 80 m/s D) 30 to 90 m/s
 
Answer & Explanation Answer: A) 10 to 15 m/s

Explanation: Not available for this question

Answer Explanation

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