At present geography is one of the important subjects in school curriculum. Geography derives a lot of material from such subjects as Biology, Anthropology, Sociology, Economics, Mathematics, Chemistry and other sciences.
9 main importance’s of geography and its place in school curriculum
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What is the impact of geography on our lives?
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The study of geography influences our lives in all its fields. It is quite useful in economic research and the relationship of resources and human activities.
4 essential branches of modern geography
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In the present day world geography is no more considered as a mere collection of meaningless facts to be memorized and reproduced whenever required. Present day geography covers a vast field and comprises many branches.
5 main classification of geography
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This branch of geography deals with various physical factors such as the land, the sea and the atmosphere. It also deals with the study of various phenomenons connected with these physical factors.
What are the various stages of development of geography?
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Geography is as old as mankind. In the olden days people carried out long journey by land route and sea route. These travelers and conquerors on their return from their journey related accounts of their travel in the form of stories or poems.
Short essay on geography
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Geography forms a part of social sciences and is one of the social sciences which is now heading towards a scientific form. Change is the law of nature and change is the fundamental of development and progress.
5 important steps for preventing noise pollution
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Noise pollution has harmful effects on both our body and mind. The safe intensity level of sound, as prescribed by World Health Organization (WHO) is 45 dB. But in the present era, it is rarely maintained and the result is ‘Noise Pollution’.
6 commonly used noise measuring equipments
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It consists of a non-directional microphone coupled to an amplifier to transform sound wave (sound pressure level) to a proportional electric signal. It measures the RMS value of noise and can also be calibrated to measure the peak level of sound.
How to control noise pollutions?
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The noise generated in the environment can never be eliminated completely; however, it can be controlled. Many new technologies are introduced to curb noise. There are, however, some easy ways to curb noise besides introduction of new technology.
6 important physiological effects of noise pollution
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Such effects by noise depend upon the pressure and frequency. As is known, a sound of 65 (dBA) is the noise level for conversation heard at a distance of one meter. Sound of 110 (dBA) gives discomfort and 135 (dBA) is painful and 150 (dBA) might kill a person.
3 important classification of anthropogenic noise
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Noise may originate from natural sources as well as through anthropogenic activities. The natural sources are cyclone, thunder, roaring of sea, volcanic eruption, etc.
The science of human hearing sound is called human acoustics – Essay
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The science of human hearing sound is called human acoustics. Human acoustics specifically indicates the different processes that are involved in the perception of some sound by our ears.
2 main characteristics of a musical sound (Loudness and Pitch)
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A musical sound has three main characteristics namely loudness, pitch and quality.
2 types of sound waves (Transverse waves & Longitudinal waves)
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The waves in which each particle of the medium executes vibrations about its mean position and is perpendicular to the direction of the waves are called transverse waves. For example, the waves generated in a pond when a stone is thrown, all electromagnetic waves, stretched string of sitar, violin, etc.
Short notes on the process for formation of soil
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The process involving the origin, development and formation of soil is known as pedogenesis. For millions of years there was continuous breaking of rocks into small particles due to heat, rain and wind.