Noise pollution, Biology

Sound is a main mean of communication and entertainment and is also very effective alarm system for some animal. A loud and unwanted or unpleasant sound causes discomfort and is called noise.

The release of unwanted sound in the atmosphere is called noise pollution.

The unit of sound level is decibel (dB). Noise level can range from 0 to more than 120 dB. Noise beyond 120 dB cause discomfort. The intensity of normal conversation sound range between 35 dB to 60 dB.

 

 

Posted Date: 7/11/2012 3:41:00 AM | Location : United States







Related Discussions:- Noise pollution, Assignment Help, Ask Question on Noise pollution, Get Answer, Expert's Help, Noise pollution Discussions

Write discussion on Noise pollution
Your posts are moderated
Related Questions
Why is it more probable that the photosynthetic prokaryotes appeared before the aerobic eukaryotes? It is more feasible that photosynthetic prokaryotes appeared before the aero

Pollution - Environmental Pollution Pollution refers to any undesirable change in the physical, chemical or biological characteristics of our environment, i.e. air, water and

Define Elongation phase - mechanism of protein synthesis? Elongation: RNA polymerase moves along the DNA and sequential synthesizes the RNA chain. There is the repeated cycle o

Explain Food Applications of pullulan The food applications of pullulan include:  Due to its oxygen barrier properties, it can be used as a packaging material for fat /

Role of Private Sector in Health Care One of the biggest policy challenges for the government is to decide on the appropriate areas and a suitable policy framework for having

Define Body weight as a determinant of nutrient requirements? Requirements are considered to be a function of body weight for individuals who are not overweight. However, for s

Maxillary Tuberosity Incision and reflection of the mucosa overlying the areas of the maxillary tuberosity and hamular notch when taking impressions for maxillary subperiosteal

Impact of changes in diet in the management of diabetes mellitus Changes in diet are an essential component of comprehensive diabetes care and treatment.  In this section you w

Q. What do you know Zoological Parks? Zoological park has two faced aspects, the relationship between man and beast. There is awe and there is slaughter. There is worship and t

State two procedures which are used to reduce the chances of a kidney graft being rejected Drugs are used to suppress the patient's immune response to foreign tissue. The dono