Is climate change a ‘ticking time bomb’? It is no secret to anyone that our planet is warming but what many of us don’t know is why and perhaps more importantly the consequences it poses. The roots of our problem lie in the form of a simple molecular compound‚ carbon dioxide. In 1870 the amount of carbon dioxide in the atmosphere was 290 parts per million. 144 years later‚ to this very date‚ it has risen to over 400 parts per million. But why does this cause a problem you may ask‚ well it is
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In the past‚ we’ve seen incidents where large hordes of people march in unison‚ carry banners and shout slogans to bring attention to an issue. These incidents are known as civil disobediences‚ an act performed by a group of people‚ usually civilians‚ to protest a law imposed on them by a governing body or fight for something they believe in. This act differs from something like a violent protest or a revolution is that civil disobediences firstly put emphasis on the rule of law while disobeying
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Imagine life with no telephones. No way to connect to faraway relatives or friends‚ except old letters‚ and that’s all. Without Alexander Graham Bell‚ telephones may never have happened. No one could just pull out a phone‚ but had to write letters that took days‚ even weeks to send. This made communication from far distances extremely difficult. Bell changed our world‚ and he lived an interesting life worth learning about. Alexander Graham Bell lived a strange childhood compared to many modern day
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The geology of carboniferous of the Midland Valley of Scotland Research Aims This essay will cover the basic geology of the Midland Valley‚ the changes in structure and volcano activities during the carboniferous period. General introduction of the Midland Valley The carboniferous is a period between 290 and 360 million years ago(Ref 1‚p.8‚Scotland Through Time). The Midland Valley was covered with lots of rainforest and numerous of coral reefs flourished in the tropical seas. Volcanos eruptions
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K Keel KOy Mass radius of gyration of floating body about its longitudinal axis M Transverse metacenter m Mass T Period of oscillation W Weight of floating body Greek Symbols: Angle of heel or inclination Density of seawater f Density of liquid in tank INTRODUCTION Stability is a measure of the tendency of an ocean vehicle to return to its upright configuration if inclined or perturbed by an external force (Figure 1). For different operating conditions‚ stability
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The Fluidity of Water Desalination Period 2 Desalination‚ desalinization‚ or desalting refers to any processes that remove some amount of salt or other minerals from salt water. More specific‚ desalination is also the removal of salts and minerals‚ as in soil desalination. Desalination is used on many ongoing ships and submarines. Most of the modern interest in desalination is focused on developing cost-effective ways of providing fresh water for human use. Along with recycled wastewater
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Solubility as a Property of Matter A Lab of Chemicals‚ Chromatography‚ and Crime! Chemistry is a natural science that deals with the composition of matter and the changes it undergoes. At crime scenes‚ investigators often find unknown materials that need to be identified. If an unknown material is a mixture‚ an investigator may want to know one or two things about it: What are the ingredients of the mixture? Is the mixture found at the scene the same as a known mixture? A mixture is a collection
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Since the start of the space age‚ more and more littering has occurred in orbits near Earth‚ often because the intentional discarding of lens caps‚ packing material‚ fuel tanks‚ and payload covers. (A) more and more littering has occurred in orbits near Earth‚ often because (B) orbits near Earth have become more and more littered‚ often from (C) orbits near Earth became littered more and more‚ often resulting from (D) there have been more and more littering of orbits near Earth‚ often because of
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SETTING UP AND MAINTAINING A SALTWATER AQUARIUM IN THE HOME By Sarah M. Burgett BIOG 159 Fall‚ 2011 When one makes the choice to install a saltwater aquarium in their home‚ all the prospects can be overwhelming. Much thought must go into the setup and upkeep of an aquarium in one’s home. It is important to make wise choices in regards to the tank itself‚ as well as all the other components that will become a part of the marine environment. By making wise decisions‚ the aquarium owner can take
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Water is no doubt very important. Our ancestors survived and thrived without oil. Water was vital‚ for drinking‚ agriculture and sanitation amongst many other uses. However‚ with the advent of oil in the 1960s‚ the importance of water has been diminished to a point where oil is more important than water. In this modern era‚ energy use has skyrocketed‚ human population augmented greatly and the world‚ globalised. It is in this era‚ oil is more important because it is the crux of development of a nation
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