Question: Two graphs were given: Left ear plot: 30dB - 500Hz, 35dB - 1k Hz, 40dB - 2k Hz, 45dB - 3k Hz, 55dB - 4k

Two graphs were given: Left ear plot: 30dB - 500Hz, 35dB - 1k Hz, 40dB - 2k Hz, 45dB - 3k Hz, 55dB - 4k Hz, 50dB - 6k Hz, 40dB - 8k Hz Right ear plot: 20dB - 500Hz, 30dB - 1k Hz, 35dB - 2k Hz, 40dB - 3kHz, 45dB - 4k Hz, 30dB - 6k Hz, 35dB - 8k Hz Based on the above information: (i) what effects on their hearing could the worker be experiencing? 4 effects required (ii) describe the likely physical changes in the inner ears of the worker? 6 changes required

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