One decibel, which is a unit of relative loud, is the smallest amount of change detected by the human ear

Câu hỏi liên quan

• Economists have tried to discourage the use of the phrase “underdeveloped nation” and encouraging the more accurate phrase “developing nation” in order to suggest an ongoing process

• The federal government recommends that all expectant women will not only refrain from smoking but also avoid places where other people smoke

   

• The police officer lectured the children for ten minutes about the dangers to throw stones, but then let them off with a warning.

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• It was him who came running into the classroom with the news

• Do you think what people have smoked less and less?

• Many bridges in New England were covered with wooden roofs to protect it from rain and snow.

• Others believe that both sides would jump at the chance to resume negotiations without a delay.

• Nancy said that she went to the supermarket before coming home.

• Jane is beautiful and intelligent; ________ she's very kind.

• Long prized for its medicine value, ginseng these days has become the most common of energy-boosting drinks particularly for high- performance athletes.

• In about, experimental psychologists have devoted more research to learning than to any other topic.

• I need not offer any explanation regarding this incident – my behavior speaks itself 

• Some of the land in that region is so wet and hot and covered with jungle that a few people live there.

• Every city in the United States has traffic problems because the amount of cars on American streets and highways is increasing every year

• When I walked into my office, I found Tom was using my telephone.

• Science and technology are part of the knowledges of educated people

• In the last two decades, Bombay and Madras are developed in the centers of the Indian film industry

• To raise livestock successfully, farmers must selecting cattle for breeding and apply a dietary regimen.

• Thanks to a considerable number of material data, we know pretty much about ancient Egypt, but few historical records of Babylon are available.

• To help policy makers and another, the government spends as much as $1.4 million a year in collecting statistics.