Noise pollution, Biology

Assignment Help:

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.

 

 


Related Discussions:- Noise pollution

Cell biology, what is morphological diversity of prokaryotes ans eukaryotes...

what is morphological diversity of prokaryotes ans eukaryotes

What is clinical deficiency presented by hemophilic people, What is the cli...

What is the clinical deficiency presented by hemophilic people? What is the genetic cause of that deficiency? The Hemophilia is a disease characterized by impaired blood clotti

Nutrition, mode of nutrition in follow animal lizard,bird,grasshopper,rat

mode of nutrition in follow animal lizard,bird,grasshopper,rat

Cells, what are golgi apparatus

what are golgi apparatus

State in brief about the zinc, State in brief about the Zinc    It is c...

State in brief about the Zinc    It is concerned with the functioning of sulphydryl compounds, such as cysteine, in regulation of redox potential within the cell. Zinc is somet

What are the uses of formycin b, What are the uses of formycin B? Formy...

What are the uses of formycin B? Formycin B is a drug used to demolish of intestinal parasites.

Effects of insulin on fat metabolism, Insulin promotes fat synthesis and st...

Insulin promotes fat synthesis and storage. Insulin transports fatty acids in the liver cells and then these are transported from the liver by blood to the adipose cells and are st

Define keratomalacia - micronutrient deficiencies, Define Keratomalacia - M...

Define Keratomalacia - Micronutrient Deficiencies? This is a condition of rapid destruction and liquefaction of full thickness of cornea, leading lo prolapse of iris, resulting

How many different genotypes are possible, If three different traits are co...

If three different traits are controlled by the unlinked genes A, B, and C, and each has multiple alleles so that A has 4 alleles, B has 6 alleles and C has 2 alleles, how many dif

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd