Permanent damage to the ears begins after prolonged exposure to ____ decibels.

A. 46
B. 85
C. 25
D. 142
E. 182


Answer: B

Environmental & Atmospheric Sciences

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The greenhouse effect refers to the differential transmissivity properties of atmospheric constituents

Indicate whether the statement is true or false

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UNEP scientists estimate that the South _________ pollution cloud contributes to the death of 700,000 people each year.

Fill in the blank(s) with the appropriate word(s).

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