One quiet night‚ Cohn was heading over to the O’Leary barn for a famous gambling game. Legend has it that Mrs.O’Leary’s cow knocked over a kerosene lamp and that started the fire. Others believe that “Pegleg” Sullivan started it‚ or Bella’s comet did it. But in reality‚ Louis M. Cohn was the one who started the Great Chicago fire. Louis Cohn started the fire during his famous gambling night. He was the only culprit who admitted to starting the fire. So‚ if he didn’t do it‚ who did? Louis M
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fan depend on the temperature or the humidity of the surround environments detected. Besides that‚ it also can control the on/off of the curtain depend on the light intensity detected. Furthermore‚ this system also can control the intensity of house lamp with the related sensor. This idea is come from the GO GREEN Concept. As we know‚ our mother earth is being polluted‚ and the main cause is from the greenhouse effect. So‚ it is important to save the electricity and reduce it usage in order to
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car at all. The section capacitor C1 as a filter to smooth the flow. Transistor Q2 may be any number SM3180. The schematic shown here can be used as a circuit for Car brake light or headlight flasher for flashing two 10 watt 12 volt lamps in car or any vehicle. The heart of the circuit is a 555 timer IC‚ wired as an astable multivibrator in the circuit. A 2N3773 high current transistor is also used in the circuit and working as a switch and it is derived from the output pin 3 of the
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silent. The half moon gazed down benevolently on the city‚ alone in a starless stretch of black sky. The streets were empty‚ and all that reached out into the shadowy darkness were the street lamps‚ placed so methodically and evenly it made them seem more significant than they really were. Near one of these lamps‚ on a bench‚ was an ancient man‚ his hair grey‚ his face was warped with deep wrinkles‚ a pair of round rimmed spectacles perched on his nose. His dull eyes‚ seeming to be staring into nothingness
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Photosynthesis Abstract: An experiment was carried out to determine how certain factors such as light intensity and availability of carbon dioxide‚ affected the rate of photosynthesis. The rate of photosynthesis was measure by the amount of oxygen produce (cm3/min). A valid conclusion was made and most of the results were in accordance with the prediction‚ although there were some anomalies present. The errors and limitations were evaluated and some improvements were suggested. Introduction: Photosynthesis
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Blue 5 Gum (1) Heat Lamp (1) Ring Stand (1) 12”x12” sheet of Cheesecloth (6) Small Pieces of Parchment (6) Holt Earth Science Textbooks (1) Metric Ruler (1) Large Sheet of Paper (1) Cup of Cool Water (1) Paper Towel (1) Writing Utensil Procedure: 1. All materials listed above must be gathered and placed on a sufficient working space. 2. Find the heat lamp‚ and ring stand. 3. Adjust the heat lamp so it rests freely on the ring stand. 4. The heat lamp must then be plugged
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period could either refer to a period in musical arrangement or it could be referring to the fact the time the birds have is limited to dawn. The author hears the birds’ song‚ which is “music numerous as space but neighboring as noon.” However‚ the birds may be as far away as noon is from four in the morning‚ and the author feels as if he or she can hear them even and their music is surrounding the space around her. Furthermore‚ the second and fifth stanza compares the birds and their songs to water
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schedule is run without interruption then the plant will begin its day with 4000 hogs in inventory ready for slaughter in increments of 1000 hogs every hog. The hog inventory at the plant will continue to rise every hour until noon when it will hit its highest peak. After noon the hog numbers will continue to decrease until the end of daily slaughtering which is 5 pm. At that time shipments of hogs will continue to arrive until receiving closure at midnight.
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Page 1 of 4 Math 116 Review 1 1. Suppose that the total cost of manufacturing q units of a certain product is C q thousand dollars‚ where C q q3 30q2 500q 200 a) Find the total cost and the average cost of producing 10 units. b) Find the cost of producing the 10th unit. 2. Let f x 4 x 2 3x 2 ‚ evaluate and simplify the difference quotient f x h f x ‚ where h 0 . h 3. The average scores of incoming students at an eastern liberal arts college in
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reaction will occur more slowly. I think that as we move the lamp away (and therefore reduce the light intensity) from the elodea pondweed the number of bubbles produced will decrease steadily. For instance‚ say at 10cm distance 50 bubbles are counted‚ it is likely that at 20cm distance 25 bubbles will be counted‚ as the lamp is twice the distance away. This means the rate of photosynthesis is halved. I think that if we move the lamp any further away than 50cm no bubbles at all will be produced
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