EARTH The earth is 4.5 billion years old. The Big Bang theory says that there was an explosion caused by the crash of matter which created our Solar System. Millions of years ago‚ during the Paleozoic era‚ the seven continents formed one single super-continent‚ from which they later detached driven by endogenous forces. Mankind appeared on Earth 30000 years ago. According to Darwin organisms which adapt the best to the environment they live in‚ survive the longest. Mankind become the dominant
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Pollution is the introduction of harmful substances or products into the environment. It is a major problem in America and as well as the world. Pollution not only damages the environment‚ but damages us also. It has cause many problems ranging from lung cancer to the greenhouse effect. It is all among us and but we continue to live in our own filth. What is the reason behind this flawed logic? In this paper I will examine the problems and solutions for this issue. Automobiles are undeniable
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Light pollution happened slowly at first which was several decades ago it was a process that was hardly noticeable. A light here‚ a light there‚ burning way into the dark nighttime realm‚ helping us see in the darkness when people all their our beds fast asleep. The process still continues today‚ with little thought ever given to what we are stealing away. Our intentions are good but our methods need adjustment‚ and they needs to be done immediately. In fact‚ our methods should have been changed
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Nowadays‚ many countries are facing serious pollution problems. These problems are caused by human activities and the areas that most affected are land‚ water‚ and air. However‚ there are some solutions that can help people and the environment. Land pollution is a major problem which is increasing day by day. In my opinion‚ the main problem on land is litter on the streets. Fortunately‚ there are a number of possible solutions which could lead to a permanent reduction in the waste. One way would
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[Group 3] Sonic 1000 is a new multimedia‚ dual-mode smartphone is prepared to launch by Sonic in a mature market. Specific segments target in consumer and business markets‚ taking advantage of the growing interest in a single powerful but affordable device with extensive communication‚ organization‚ and entertaiment benefit. The primary marketing objective ◦ Achieve first year US market share of 1% with unit sales of 800‚000. The primary financial objectives
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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‚ is called Air Pollution. The atmosphere is a complex dynamic natural gaseous system that is essential to support life on planet Earth. Air pollution threatens our lives. In the major cities in Seoul‚ South Korea; Jakarta‚ Indonesia; Taipei‚ Taiwan; Beijing‚ China; and Bangkok‚ Thailand that the result of air sampling of that particular
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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 as well as to the Earth’s ecosystems
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Did you know that most of the ocean pollution comes from us? This pollution can hurt the ocean animals and it will affect the food that we eat. Some of the most worst ocean pollution is untreated sewage dumped into the ocean‚ toxic chemical‚ and oil spills. The sewage gets into the ocean because of sewage pipes that break or leak. This is a problem because the sewage makes to much algae‚ and it will remove the oxygen. Around 80% of the sewage that is in the ocean is untreated. To help stop sewage
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Air pollution – contaminants or substances in the air that interfere with human health or produce other harmful environmental effects. Read our “What is Air Pollution?” article for further information. Alternative energy – usually environmentally friendly‚ this is energy from uncommon sources such as wind power or solar energy‚ not fossil fuels. Alternative fuels – similar to above. Not petrol or diesel but different transportation fuels like natural gas‚ methanol‚ bio fuels and electricity. B
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SOIL POLLUTION INTRODUCTION Soil is the thin layer of organic and inorganic materials that covers the Earth’s rocky surface. The organic portion‚ which is derived from the decayed remains of plants and animals‚ is concentrated in the dark uppermost topsoil. The inorganic portion made up of rock fragments‚ was formed over thousands of years by physical and chemical weathering of bedrock. Productive soils are necessary for agriculture to supply the world with sufficient
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