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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APPROVAL SHEET This thesis entitled “Effectiveness of Video Lessons in Social Studies on the Performance of Sophomore Students in Tomas Claudio Memorial College”‚ prepared and submitted in partial fulfillment of the requirements for the Degree Bachelor of Secondary Education by Ralph Luigi Yap‚ is hereby recommended for corresponding oral examination. March 12‚2013 Mr. Marlon Pabilonia Adviser Approved in partial fulfillment of the requirements for the Degree Bachelor
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prepared and submitted by Maverick John Morgia‚ Melquesidec Daug‚ Jefford Dela Cruz‚ Karl Anthony Oro‚ Nikki Sumalinog‚ Jomari Caliboso‚ Reymond Ang and Mark Cadigal ‚ in partial fulfillment of the requirements for the degree of Bachelor of Science in Marine Transportation has been examined and is recommended for oral examination. PANEL OF EXAMINERS APPROVED by the panel of examiners with a grade of __________. MRS. NELIA B. AGA‚ MAED Chairperson
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Air Pollution Air pollution in Egypt is a real‚ harmful and serious problem. It is caused by a wide variety of things. From these causes is the great amount of smoke that come from chimneys of factories that were built near the cities as it release great amount of harmful‚ poisonous‚ black smoke which is quickly spread in the air and change its color into black. Also the black color of car exhaust has a serious‚ bad effect on human’s respiration and which unfortunately we breeze it daily as we
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Refuse single-use and disposable plastics The facts Plastic is forever Plastic creates toxic pollution at every stage of its existence: manufacture‚ use‚ and disposal. Plastic is a material that the Earth cannot digest. Every bit of plastic that has ever been created still exists‚ including the small amount that has been incinerated and has become toxic particulate matter. Plastic poisons our food chain In the environment‚ plastic breaks down into small particles that attract toxic chemicals
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people die each year just from drinking polluted water? Well‚ that’s a true fact! There are three main reasons that we need to prevent water pollution. Humans and animals can become poisoned‚ we are harming our environment‚ and the last reason is because of the amount of organisms dying. Can you believe that this all happens just because of water pollution? First‚ we will focus on humans and animals being poisoned. When humans and animals drink water that is contaminated they can become sick. One
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Topic: Pollution is becoming serious in our country‚ especially in the big city. Discuss some possible causes leading to this situation. Pollution is now one of the most serious environmental problems in our country‚ especially in big cities. Many projects have been carried out to deal with this problem but there does not seem a lot of improvement to be brought about. As far as the causes of this issue are concerned‚ three reasons can be looked into: bad waste disposal system‚ the rapid increase
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Salt Pollution As awareness for pollution increases‚ other forms of pollution are defined. Almost everyone knows about toxic waste and carbon dioxide pollution‚ but not many people have heard of salt pollution. Salt pollution has been on the increase since the evolution of the automobile. With more pressure on government agencies to keep the highway clear and safe‚ an increase in the use of salt has developed. It is important to understand why salt is used and how it work as well as the environmental
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A. Metabolism - The process by which a living organism takes energy from its surroundings and uses it to sustain itself‚ develop and grow B. Photosynthesis - The process by which an organism uses the energy from the sun to produce its own food C. Autotrophs - Organisms that are able to produce their own food D. Heterotrophs - Organisms that cannot make their own food and must obtain it from other organisms E. Respiration - The process by which food is converted into useable energy for
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RIVER POLLUTION River is very important because it can provide clean water and can act as a main source of protein to human beings. Most of the drinking water consumed by the people of the world originates from the river. If the river has been polluted‚ then the tarnished river water needs to be filtered through a series of intricate and money-consuming process. The picture above clearly shows that the pollution of water happened because of the ignorant act of dumping rubbish and toxic
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