POLLUTION Pollution is the introduction of contaminants into the natural environment that causes adverse change. Pollution can take the form of chemical substances or energy‚ such as noise‚ heat or light. Pollutants‚ the components of pollution‚ can be either foreign substances/energies or naturally occurring contaminants. Pollution is often classed as point source or nonpoint source pollution. Forms of pollution The major forms of pollution are listed below along with the particular contaminant
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1 M.A.PART - I ECONOMIC PAPER - I MACRO ECONOMICS 1. Basic Macroeconomics Income and spending – The consumption function – Savings and investment – The Keynesian Multiplier – The budget – Balanced budget : theorem and multipliers. Money‚ interest and income – The IS-LM model – adjustment towards equilibrium – Monetary policy‚ the transmission mechanism and the liquidity trap – Basic elements of growth theory : Neoclassical and endogenous. 2. Behavioural foundations of Macroeconomics
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First Year First Semester 1.1. Perspective Management—5o marks Course Content 1. Introduction to Management — Science. Theory & Practice‚ environment of Management‚ Managers & Entrepreneurs . Managerial Roles & Skill ‚ Manager’s Social & Ethical Responsibilities. 2. 3. 4. 5. Planning — Role. Need for planning‚ Types of planning‚ Levels of planning Corporate Planning & Long Range Planning Organizing — Nature‚ Types of organizations. Designing Organization structure‚ Delegation and Autonomy Leadership
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Fresh Water Pollution In the most common usage pollution refers to contamination of water by chemical‚ biological‚ or other harmful substances. Some water pollution laws view the concept much more broadly; the United States Clean Water Act defines pollution as the man made or man induced alteration of chemical‚ physical‚ biological integrity of the nation’s water (Adler‚ n.d.). Common law approaches were created through gradual accumulation of judicial decision in individual cases which set
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Smog pollution in Beijing Smog pollution has been around since the start of industrialization‚ and there are many cities that suffer from its consequences. Among them‚ Beijing is singled out as the hotspot these days. In the past winter‚ an unprecedented amount of smog cloaked Beijing‚ filling the city with noxious air and causing convulsive coughing among the local residents. Not only does smog cause inconvenience in transportation by reducing visibility‚ but also‚ according to a study at
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Causes of noise pollution We are bombarded with sound even when we live in rural areas. From crop dusters to large farm equipment‚ we have plenty of sound in the country. In the urban areas‚ we not only have sound that is produced at unnatural decibel levels‚ the sound is reflected from hard surfaces that form at every kind of angle. We go to theaters and concerts where the ability to magnify sound has developed in incredible ways. We listen on headphones‚ where sound is not only concentrated‚ but
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Effects of water pollution. The water pollution is very harmful to humans‚ animals and water life. The effects can be catastrophic‚ depending on the kind of chemicals‚ concentrations of the pollutants and where there are polluted. Below‚ we shall see a summary of the effects of water pollution. The effects of water pollution are varied and depend on what chemicals are dumped and in what locations. Many water bodies near urban areas (cities and towns) are highly polluted. This is the result
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2012 Social Studies‚ Moitui Pollution: Pollution is the introduction of a contaminant into the environment. An undersized amount of a given pollutant in a small area may cause harm‚ but a superior amount of the same pollutant in a hefty area can be harmless. Economic activities were also pollution the air and water in most unborn areas. In some areas (mostly cities)‚ factories released a lot of smoke it caused people to have trouble breathing. Air pollution is the buildup of hazardous substances
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Industrial Water Pollution Control Introduction to industrial water pollution control: When the quality or composition of water changes directly or indirectly as a result of men’s activities such that it becomes unfit for any purpose it is said to be polluted. When a source of pollution can be readily identified because it has a definite source and place where it enters the water is said to come from a point source for example: Municipal and industrial discharge pipes. Organic demanding wastes: organic
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1. Definition of air pollution Air pollution is the introduction of chemicals‚ particulate matter‚ or biological materials that cause harm or discomfort to humans or other living organisms‚ or cause damage to the natural environment or built environment‚ into the atmosphere. The atmosphere is a complex dynamic natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to air pollution has long been recognized as a threat to human health as well as
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