air pollution? Air pollution -is the introduction into the atmosphere of chemicals‚ particulates‚ or biological materials that cause discomfort‚ disease‚ or death to humans‚ damage other living organisms such as food crops‚ or damage the natural environment or built environment. 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
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Computers Computers have made life easier for the human race. Americans today take for granted the great impact the computer has on their lives‚ making things easier‚ faster‚ and more convenient for them. Computers helped the world a lot and helped us take a large step into the future. Almost anything you know is run or made by computers‚ industry‚ cars‚ jets‚ and ect. Computers are the most important innovations in history‚ without computers the world would not be able to function in the
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CHAPTER 1.0 Introduction to using a computer Definition of a computer‚ this is an electronic device that is made up of input devices such as the keyboard and is used to capture data and instructions‚ with the help of sets of instructions it will be able to produce results or output through devices such as printers or screens. 1. Classes of computers Computers can be classified as follows: • • • • Supercomputers Mainframe computers Minicomputers Microcomputers‚ commonly called
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Working on this now. Computers: Arguably the Greatest Invention of All Time. For the past 20 years I have been fascinated with technology‚ specifically computers. Computers are a part of our everyday lives and most don’t realize this technology makes the world go round. I would venture to say that computers have contributed to our lives more so than Gutenberg’s printing press. Take a quick inventory of the things you own‚ your cell phone‚ microwave‚ television‚ printer‚ car‚ and IPod. These electronics
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2014 Global Climate Change: Causes and Effects The Earth goes through natural phases of warming and cooling‚ due to changes in the Sun and volcanic activity. During these changes‚ the temperature fluctuates a little bit. However‚ the drastic incline in the temperature of the earth over the past century cannot be explained by these natural causes alone. What could have had the power to cause this drastic change‚ and what effect will this have on our planet in the future? Humans have had a large
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GEOGRAPHY CLIMATE CHANGE: NATURE OR NEGLIGENCE The climate of our world is changing‚ but why? There is a great debate going on in the scientific community on whether our current climate change crisis is a natural occurrence over millions of years – as what has happened on the planet of Mars – or this natural process is being accelerated by man’s negligence. But first we must establish what is climate change? Climate Change is a long-term shift in the statistics of weather (taken from weather.gov
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latest of a long series of information technologies‚ which includes printing‚ mail‚ radio‚ television and the telephone. It is the application of computers and telecommunications equipment to store‚ retrieve‚ transmit and manipulate data‚ often in the context of a business or other enterprise. The term is commonly used as a synonym for computers and computer networks‚ but it also encompasses other information distribution technologies such as television and telephones. Information technology refers
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thing is the computer. The computer is important because I use it for entertainment‚ scholl work‚ and just to help out a friend when something important is due. Without a computer I dont know what I will do. Thank god for computers. In my home the computer is something that is needed especially for entertainment. First‚ my computer help me catch up on today events occuring around the world. Just in cause I miss the news on television‚ I can get updated on the computer. Second‚ the computer is a great
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The Causes of Unemployment Unemployment is caused by structural‚ cyclical‚ and frictional. Structural unemployment changes the basic composition of the economy. They mismatch between the jobs that’s available in the market‚ and the skills of the available workers in the market. Structural unemployment people usually have skills that are not needed in the market. It’s a type of unemployment that occurs to workers who are displaced by a change in marketplace needs. Cyclical unemployment increases
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and telecommunications AREAS AND USES OF COMPUTER: * EDUCATION Computers are used in schools for teaching Computers are used for mathematical calculation Students can do their work by using computer * BANK Computers are used in banks for storing information about different account holders. Computers help in keeping a record of the cash. Computers help in giving all kinds of information regarding any account in the bank * ENTERTAINMENT Computers are used for playing games‚ listening to
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