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OH&S FINAL | ACE EVERY TEST | 100% VERIFIED 
ANSWERS INSIDE.
OHS 621 FINAL EXAM (6-11) | ACE EVERY TEST | 
100% VERIFIED ANSWERS INSIDE.
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OHS 621 FINAL EXAM (6-11) QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE 2025/2026
- Exam (elaborations) • 16 pages • 2025
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OHS 621 FINAL EXAM (6-11) QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE 2025/2026 
DEFINE Sound - Answers a) Produced in the air by 'oscillations' in air pressure (sound waves) 
 
b) Converts into electrical signal & perceived as sensory experience by brain 
How do sound waves BEHAVE? - Answers - Sound passes via solid, liquid, gas 
- Can be reflected, diffracted, interfered 
CHARACTERISTICS of Sound? - Answers Amplitude & Frequency 
DEFINE Frequency/Pitch: - Answers - # of waves at ear pe...
OHS 621 FINAL EXAM | 220 QUESTIONS AND ANSWERS | 2025/2026 UPDATE | 100% CORRECT
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