to less than half of 1 percent of the planet. But the crust is exceptionally important‚ and not just because we live on it. The crust can be thicker than 80 kilometers in some spots‚ less than one kilometer in others. Underneath it is the mantle‚ a layer of rock some 2700 kilometers thick that accounts for the bulk of the Earth. The crust is primarily made of granite and basalt while the mantle beneath is made of peridotite. More about all that below. How We Know the Earth Has a Crust Just a century
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temperature stops increasing with altitude. The overlying mesosphere does not absorb solar radiation‚ so the temperature decreases with altitude. At the mesopause‚ the temperature begins to increase with altitude‚ and this trend continues in the thermosphere. Because the atmosphere in the thermosphere is so thin‚ a thermometer cannot be used to measure the temperature accurately and special instruments are needed. The Earth interior is divided into 4 layers. The properties of the Earth’s interior
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The aim of this experiment was to investigate the effects of salt type and concentrations on the rate of heating and the boiling point. Then from this data make a conclusion which salt type and concentration is the most energy efficient at heating water to its boiling point. It was hypothesised that highest concentration of MgCl2 was going to be the most energy efficient at heating the solution to its boiling point. This is because MgCl2 has the lowest specific heat capacity thus will use the least
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In the film Bend it like Beckham‚ produced‚ written and directed by Gurinder Chadha we learn a lot about the many prejudices existing in society especially in the Indian and English cultures. We follow the path of an 18 year old girl Jess from Punjab Sikhs in London and her friend Jules‚ who are both absolutely in love with playing football. But there is one thing trying to stop them‚ their parents. Jess and Jules together face the challenging judgement of those surrounding them about girls playing
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Movement along the demand curve: There are many factors determining demand- the prime one being price. Price and quantity are the two components which form the demand curve. Any change in these two variables doesn’t cause a shift in the demand curve but a movement along what is already existent. When prices vary‚ quantity is altered. Usually‚ applying the law of demand‚ more will be consumed when prices drop and vice versa. When more goods are consumed due to a drop in prices there is an expansion
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Challenges of Type 1 Diabetes Many of us know someone who has diabetes‚ but most of us don’t know what the disease is and the challenges that the person faces on a day to day basis. Diabetes is a disease that affects the pancreas. Your body produces too little or no insulin at all. It causes the glucose to backup in the bloodstream‚ which then causes the blood sugars to rise. (Joslin Diabetes Center) There are two types of diabetes; people often get them mixed up and confused as to which one is which
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Lovingly dedicated to: my son Daniel‚ my mother Pauline and my father Bill. Earths Forbidden History Part One Searching for the Past By Maxwell Igan Authors Note The main goal of this book is to provide information to people‚ much of it that is sometimes quite well hidden. It is my sincere hope that everyone who reads this work will be inspired to question things; and to search out these‚ and other new truths and discoveries for themselves. When I first started this
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communications and digital signal processing. Introduction to mobile radio communications. Spread spectrum. Modulation techniques. Introduction. Mobile communication has seen an unprecedented increase in the number of users over the past years. Its success in part is due to the various technologies that have been developed. It is not unlike other stationary communication systems in many respects however it does differ in others‚ one obvious one being the environment the signal and data propagate
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Big Bend Jacob Nelson Big Bend Jacob Nelson Big Bend national park is a place for geologistes and biologistes. With a great history and diverse ecosystem (desert) it has a lot of wildlife. The canyons and mountains of Texas and Mexico‚ with the Rio Grande that runs on the edge of the park. The park is bigger than Rhode Island. The state of Texas is the second biggest state. It became a state on Dec. 19 1876. The capital of Texas is Austin. Millions of tourists spend a total of $50 billion
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