The Chemistry of Latent Fingerprints KEY Chemical Reaction Silver nitrate (AgNO3) can react with the salt (NaCl) left from the perspiration on the friction ridge skin to form solid silver chloride (AgCl) and sodium nitrate. The silver chloride can then be converted to silver oxide (Ag2O)‚ which is dark in color and can be more easily seen. Challenge Suppose the fingerprint processing technique that uses silver nitrate to react with the salt from perspiration produced 5.8 x 10-2 grams of silver
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INTEGRATING QUOTES Why Use Quotes in Your Essay? The essay you write for class must be your essay. It should be your own ideas and in your own words. However‚ many essay assignments will ask that you use sources or quotes. So why would you use quotes in an essay that is supposed to be your own work? 1. To prove that your ideas are correct 2. To illustrate your point of view 3. To demonstrate how you arrived at an original idea of your own When to Use Quotes in Your Essay Usually‚ you will not use
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HEALTH AND SAFETY – YESTERDAY‚ TODAY‚ TOMORROW | Health and Safety – Yesterday‚ Today and Tomorrow | Research paper | | Teresa VanMarrum | 6/17/2012 | Abstract If we go back 135 years‚ we wouldn’t find any protection or support for workers injured while on the job. The major industries at the time were coal and asbestos mining‚ and many workers had no choice but to work in cold‚ dark and extremely dangerous conditions. Efforts were made by employers to increase efficiencies‚ but there
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Pauline Andrea Roncal HUMALIT EG Wilean Jose B. Macalalad Moises Emilio del Prado “Hidden voices” The film Boses is a story about how a mute abused child gained back his “voice” through music. The film started with an obscure atmosphere where Mang Marcelo‚ Onyok’s father‚ was arrested for child abuse and Onyok was found hiding in a cabinet in their house. He was brought to a shelter where he met Ariel‚ considered as “Mamang baliw” by the other children from the shelter‚ who had a great
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“Araby” is infatuated with Mangan’s sister. He watches this female character daily‚ Quote: “Every morning I lay on the floor in the front parlour watching her door. The blind pulled down to within an inch
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early twentieth century‚ yet out of this culture‚ a spirit was captured in song. Far more than a musical genre‚ musical storytelling defined a culture‚ people‚ and the attitude of African Americans in the south. The 1979 documentary Where the Blues Began chronicles the land and the people of the Mississippi delta throughout the origins of “America’s most distinctive song style‚” the blues. Music was a central part of African American culture in the Mississippi Delta‚ playing important roles in joyous
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their judgment. The topic is “U.S History began in 1607”. The year 1607‚ which marks the settlement of Jamestown‚ the first permanent English colony in North America‚ is certainly one of the more significant dates in early American history (Sage). But after reading and researching that date‚ I have come to find that many people were on the land way before that year. Like for example‚ About 5000 BCE the Athapascan people moved across Beringia and began to settle the forest in the northwestern area
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their things before time runs out. This also conveys the image that time will continue no matter what‚ and anything that comes in its path will soon run its course and die. The same idea is revealed in the next two lines‚ when it says “And this same flower that smiles today‚ Tomorrow will be dying.”An object’s youth and prime will eventually begin to wither as time goes on. The second stanza explains the sun’s activity and how it relates to the passage of time. The first line of the stanza describes
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Health Quotes: There’s lots of people in this world who spend so much time watching their health that they haven’t the time to enjoy it. ~Josh Billings The greatest wealth is health. ~Virgil Health is a state of complete physical‚ mental and social well-being‚ and not merely the absence of disease or infirmity. ~World Health Organization‚ 1948 Eat right‚ exercise regularly‚ die anyway. ~Author Unknown The best six doctors anywhere And no one can deny it Are sunshine‚ water‚ rest
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each other. An example of this is when Gracey goes to Brisbane and her families supporting her run. Mum stretched out her arm around Graceys shoulder and hugged her close for a second. “You wont come last‚ Gracey‚ “ she said. Another example is when Dougy is supporting Gacey on the hall roof waiting to be picked up by the helicopter. The quote for that example is “The
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