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
How can the abundance and diversity of living beings in the tropical forests be explained? The biodiversity of these ecosystems can be defined by the great availability of the

PECTIN It consists of methylated galacturonic acid, galactose & arabinose. It is also called plant cement becuase it binds layers of cell wall. It is a structural poly

If a tissue was heated to 65ºC for 10 minutes, respiration would cease even if oxygen and food were supplied. Why is this? A temperature of 65°C for 10 minutes would denature

What is an analogy for microtubules? Microtubules have two major functions in cells and in doing so act such as a skeleton as well as like railroad tracks. Microtubules are the

How to do Glucose test A glucose test is a type of blood test used to determine the amount of glucose in the blood. There are several different kinds of glucose tests:  "

Explain the Assessment of Zn Status? Sensitive indices for assessing zinc status are unknown at present. Static indices, such as zinc concentration in plasma, blood cells and h

Explain the Techniques of Operation used in post myocardial infarction ventricular septal defect? Normal 0 false false false EN-IN X-NONE X-NONE

Explain about the Zygomycota - Fungi? Fungi belonging to zygomycota are called zygomycetes. Hyphae in this sub-class are coenocytic. Asexual spores develop in sporangia at the

How does photoperiodism affect the flowering of some plants? The Flowering is an easy and typical to observe example of photoperiodism. Most of flowering plants flower only dur

What is the difference between a hormone and a morphogen? How do they act and what type of development do they control?