Omkar Chavan
Omkar Chavan
5 years ago

A safe level of noise depends on

A. level of noise and exposure to noise

B. Area

C. Pitch

D. Frequency

Answer: Option A


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Comments ( 1 )

  1. Aidoo Micah
    Aidoo Micah :
    3 years ago

    Air pollution may result in all the following except
    A. Eutrophication
    B. Acid deposition
    C. None of the above
    D. Photochemical smog

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