Sound above what level is considered hazardous noise pollution?

Sound above what level is considered hazardous noise pollution?

Options

(a) above 80 dB
(b) above 120 dB
(c) above 150 dB
(d) above 30 dB

Correct Answer:

above 80 dB

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. Who first demonstrated that light absorption by chloroplast releases oxygen
  2. In rabbit radius and ulna are
  3. A plant has 25 chromosomes in “microspore mother cell”. The number of chromosomes
  4. Vexillary aestivation is characteristic of the family
  5. Which of the following cells are associated with identification of colours