Earth’s surface‚ water is undeniably the most valuable natural resource. Life on Earth would be non-existent without water because it is essential for everything on our planet to grow. The human body is composed of 50-80% water. Blood and muscles contain significant amounts‚ and approximately 95% of the brain is water. All body systems and organs need water to function properly‚ and will shut down without it. Most of the chemical reactions that take place in our body need water as their medium. We
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The Cold War was a time of great competition between the United States and the Soviet Union; one of the competitions being the Space Race. Due to advancements in technology throughout the world pressured by the Cold War‚ the United States and the Soviet Union were able to push their way into space‚ each trying to outdo the other‚ eventually resulting in the United States putting the first man on the moon on July 20‚ 1969 during the Apollo 11 mission. The United States beating the Soviet Union to
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on “Water Pollution & Global Warming” Course : Introduction to Public Health Course Code : PBH 101 Prepared for Dr. Maleeha Azeem (MeA) Course Instructor North South University Prepared by Kazi Nazrul Islam Id : 1010275 030 Sec : 01 Date of Submission : 20 November‚ 2011 PBH 101 [ASSIGNMENT ON WATER POLLUTION & GLOBAL WARMING] Table of Contents: Index Contents 1.0 Water Pollution 1.1 Introduction 1.2 Sources of Water Pollution 1.3 Common Contaminants 1.4 Health Hazards Caused by Water Pollution
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Water Pollution Water pollution involves any contaminated water‚ whether from chemical‚ particulate‚ or bacterial matter that degrades the water’s quality and purity. Water pollution can occur in oceans‚ rivers‚ lakes‚ and underground reservoirs‚ and as different water sources flow together the pollution can spread. Causes of water pollution include: * Increased sediment from soil erosion * Improper waste disposal and littering * Leaching of soil pollution into water supplies *
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| Types of pollution and effects | | | R Chivers | 5/23/2013 | Pollution and effects that it has on us and our planet‚ and the steps being taken to reduce pollution and make the world a better place for future generations to appreciate and enjoy. | This report will discuss four types of pollutions and their effects on us and how we can help clean up the planet. There are different types of pollution; air pollution that affects the air we breathe‚ water pollution that affects
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Water‚ land and air pollution Water pollution Water pollution is usually caused by human activities. Different human sources add to the pollution of water. There are two sorts of sources‚ they mostly come from pipelines or sewers and then into the surface water. Nonpoint sources are sources that cannot be traced to a single site of discharge. Examples some sources are: factories‚ sewage treatment plants‚ underground mines‚ oil wells‚ oil tankers and agriculture‚ acid deposition from the air
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Ways to Control Water Pollution With major water reservoirs drying up in the Southeast‚ the United States government is projecting that within the next five years over 38 of its states will face serious water shortages. And of the water that will remain‚ today’s serious issues will influence our future unless we find successful ways to control water pollutionor it will eventually disrupt life on our planet as we know if we do not. The sources of water pollution are varied– ranging widely from
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Industrial Effluents in the Water Pollution Water pollution is caused by emission of domestic or urban sewage‚ agricultural waste‚ pollutants and industrial effluents into water bodies. Nowadays‚ its main source is the waste material discharged by industrial units. Waste materials like acids‚ alkalies‚ toxic metals‚ oil‚ grease‚ dyes‚ pesticides and even radioactive materials are poured into the water bodies by many industrial units. Some other important pollutants include polychlorinated biphenyl
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AIR POLLUTION The main reason of Air Pollution is burning of fossils fuels in large quantities accent decades has resulted in gradual increase in carbon dioxide content in the atmosphere. It is estimated that content of carbon dioxide has increased by 25% during the last 100 years. Carbon dioxide allows in solution to pass through but absorbs out going terrestrial radiation increase of Carbon dioxide in the atmosphere has the effect of increasing the temp of atmosphere. It is estimated that global
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Poison Water The consequence of polluting the earth is constantly ignored by human beings. Pollution is dangerous and harmful to both living things and the environment. Chemical waste‚ fertilizer and numerous additional are one of the most important affect which is leading us to damaging possessions of water pollution‚ Pollution should be condensed in order to make available a cleaner environment and generate healthy living environment and habitat for all life forms on earth. Water pollution also
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