cycle or whether it is caused or triggered by human activity. Different scientists have different opinions on this topic and have gone to great lengths in trying to find the most accurate answer. Some say there is a natural cycle out there and that earth’s temperatures increase due to a natural path that is perfectly normal. The fact is that earth left the natural path a long time ago. The past few decades the increase in temperatures all over the world have been way off the charts from years past
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Planet Earth or Planet Ocean? 70% of the earth’s surface is covered by water. There’s been life in the oceans for about 3.45 billion years longer than there has been on the land. The oceans determine, to a vast degree the patterns of global and regional climate. The Oceans are the driving force of our weather and climate. Climate is what we expect. Weather is what we get. Climate change is affecting the temperature of the oceans. The composition of the atmosphere of earth is changing, and this is due
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INTRODUCTION Earth is shield by the atmosphere where it is divided into several layer called ozone. Ozone is a molecule of three oxygen atom bound together and it is unstable and highly reactive molecule. Ozone is naturally in stratosphere when highly energetic solar radiation strikes oxygen molecule (O2) and cause the two oxygen atom to split apart in a process called Photolysis. A freed atom collide with another oxygen then it join up forming ozone, O3 . The formation of ozone is explained with
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not. Also we will explain the aphelion, the perihelion and how it affects planet seasons. There are few common misconceptions that students think are true regarding the reasons for seasons on earth. Students usually believe that because of the earth’s distance and its orbits around the sun causes the seasons. That is because students believe that the earth is in an elongated elliptical path that causes the season depending on the distance. When all actuality the sun is in an orbit, as well as
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What Can Be Done To Help Save The Earth's Environment Our planet is in great danger. For the last one hundred or so years, the people of earth have wasted and misused the natural recourses of earth. Several plans have been developed to stop the abuse of earth. Some of these plans I will discuss in this essay, many of which can be executed by any one. Environmental problems have become so complex that many individuals feel they can have no effect on them. Problems like oil spills, hazardous waste
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biggest supporter is the very object that is attempting to stop it. Humans cause so many harmful gases, such as CO2 and N2O (Dinitrogen Monoxide), to be released into the air and make holes in the “ozone” layer of the atmosphere. This causes sun rays to break through to the Earth’s surface and heat
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troubles facing the world nowadays. Global warming refers to the increase in the average temperatures of the air and sea at Earth’s surface and the climate change. Over decades, scientists and researchers have made plenty of researches and decided that the temperature of the world is rising. However, this increase in temperature is mainly due to human activities on the Earth’s surface. In its recently released Fourth Assessment Report, the Intergovernmental Panel on Climate Change, 1,300 independent
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pollutants currently being released into the atmosphere. Air pollution is caused from many actions. Such actions include the burning of coal and agricultural or prescribed burning, power plants, cars and planes. Keep in mind these are just a few sources that are contributors to the pollution of the atmosphere. When these sources are being used, they release harmful gasses (e.g. carbon dioxide) into the very air that keeps all living organisms alive. The atmosphere is composed of many gasses naturally
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1. A vacuum gauge indicates that the pressure of air in a rigid vessel is 0.2 bar (vacuum). The pressure of the atmosphere is equivalent to 750 mm column of mercury. Given: Density of mercury is 13.59 g/cm3. i. Sketch the system with appropriate labels. ii. Determine the atmospheric air pressure, in bar. iii. Calculate the absolute pressure of the air in the vessel, in kPa. (Ans: 1 bar; 80 kPa) 2. A gas is contained in a vertical, frictionless piston-cylinder
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temperatures, rise in sea levels and decrease in ice extent; it means this is not a matter to be taken for granted. Global warming is a reality that we are currently facing in our world. Increased carbon dioxide emissions find their way into the atmosphere and combine with other gases to create a greenhouse effect. The Intergovernmental Panel on Climate Change (IPCC) have predicted a rise of 8.6 degrees Fahrenheit come 2100. There has been an increase in global temperatures over the past
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