harbour collided‚ creating the largest explosion until the detonation of the atomic bomb. The explosion killed many people and devastated Halifax‚ its harbour and the neighbouring towns of Richmond and Darmouth. The towns surrounding the harbour were thriving thanks to the war overseas and their populations grew drastically. Halifax quickly became a "boom" town by 1917‚ only three years after the war. Halifax’s population was about 50‚ 000 before the explosion‚ which at the time was one of the largest
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Cola Explosion When the Mentos come into contact with the Diet Coke‚ a reaction causes the rapid formation of foam. it is concluded that the potassium benzoate‚ aspartame‚ and CO2 gas contained in the Diet Coke‚ in combination with the gelatin and gum arabic ingredients of the Mentos‚ all contribute to the formation of the foam. The structure of the Mentos is the most significant cause of the eruption due to nucleation.MythBusters reported that when fruit-flavored Mentos with a smooth waxy coating
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The ‘Population Explosion’ Essay By Jess Armes From 1750 to 1900‚ the population of Britain dramatically increased from around 7 million to nearly 40 million people. The key question that is mainly discussed is: What was the main reason for this? I shall be studying the most likely causes for the mass increase in the population of Britain‚ and trying to determine which ones were more likely to trigger this ‘population explosion!’ Firstly‚ the majority of cities in Britain began to develop into
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Arson is the criminal intent of setting a fire with intent to cause damage. The definition of arson was originally limited to setting fire to buildings‚ but was later expanded to include other objects‚ such as bridges‚ vehicles‚ and private property. Arson is the greatest cause of fires in data repositories. Sometimes‚ human-induced fires can be accidental: failing machinery such as a kitchen stove is a major cause of accidental fires.[1] [edit] Civil disorder Main articles: Civil disorder and
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steps to the physical evidence process. Step 1 of the physical process is to respond to the crime. Police officers will need to secure the crime scene and set up communication with other officers and investigators to establish a plan of action. These same officers and investigators must be able to communicate with witnesses at the crime scene. To accomplish this goal‚ the police on the scene must establish what has happened‚ was a crime committed‚ and if a crime was committed how was this crime
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of mass remains constant in a confined space of any physical or chemical changes that may take place. Where does it fit? : • Grade 5 Curriculum – Understanding Matter and Energy (properties of and Changes in Matter) • Fundamental Concepts –Energy • Big Ideas – Matter that changes state is still the same matter. Summary: • The law of conservation of mass states that the total amount of mass remains constant in a confined space of any physical or chemical changes that may take place. Students will
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Gathering Evidence from the Crime Scene Task 1 Shaking – Shake items and allow the particles to fall into a large container or sheet of paper. This technique is suitable for recovering trace evidence: glass fragments‚ paint chips‚ hairs and fibres. Brushing – Brush the surface with a clean brush and collect the material in a container or piece of paper. This is necessary when shaking does not dislodge the particles. This technique is suitable for removing trapped particles from surfaces:
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Chemistry of Crime Scene Investigation Burn Baby Burn (Arson experiment) Question #1 PURE: 1‚2‚4‚5‚9‚13‚14‚18‚19‚20 MIXTURES: 3‚6‚7‚8‚10‚11‚12‚15‚16‚17‚ Question #2 DID NOT HAVE THE TWO GASOLINE EXAMPLES IN THE PACKET PRINTED. INFORMATION NOT PRESENT. Question #3 Our group decided that we wanted to find out if foam changed the burning rate and style of pine wood. To do this we first burnt just wood. Then we burnt wood with our accelerator Zippo lighter fluid. Then we burnt
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India’s current population | Currently‚ there are about 51 births in India in a minute. | India’s Population in 2011 | 1.21 billion | India’s Population in 2001 | 1.02 billion | Population of India in 1947 | 350 million | The Population Explosion: Causes and Consequences * Introduction * The Definition Of Overpopulation * The Causes Of Rapid Population Growth * The Consequences Of Rapid Population Growth * Actions And Strategies That Can Be Developed To Solve These Problems
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The Explosion of the Internet Based on a research carried out by a famous professor last month‚ Internet causes a lot of effect on human beings. The Internet is a global system of interconnected computer networks hat use the standard Internet protocol suite to serve billions of users worldwide. The explosion of Internet will increase the crime rate‚ cause low performance in academic and causes chronic health problems. First of all‚ the explosion of Internet will increase crime rate. Nowadays
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