The Geritol Solution What is the basis for Martin’s premise that seeding the ocean with iron would help combat global warming? The idea of stimulating plankton growth with iron grew out of the fertile mind of the late John H. Martin‚ an oceanographer at Moss Landing. Martin sought originally to explain a long-standing mystery concerning barren waters in the Antarctic‚ subarctic‚ and equatorial Pacific Oceans. With the abundant concentrations of nutritious nitrate and phosphorus in
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According to the results‚ the experimental group had a huge impact when the diluted concentration of caffeine was put in compared to the control group that contained no concentration of caffeine. The hypothesis was supported because a significant decrease of the total number of cells when caffeine solution was added to the experimental group was clearly shown. An addition of small amounts of caffeine does inhibit cell proliferation and affect cell viability during the lab experimentation one more
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Title of Practical: The Effect of Concentration on Reaction Rate Aim: To use a simple reaction between sodium thiosulphate and hydrochloric acid to discover concentration this determines how fast chemical reactions occur. Independent Variable: Concentration of hydrochloric acid (%) Dependent Variable: Time taken for chemical reaction to take place (sec) Hypothesis: My prediction is that the increased concentration of the thiosulfate will in turn lead to an increase in the rate of reaction
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of satire lies in The Unknown Citizen by W. H. Auden. It is a dark satire about what can possibly happen if political and bureaucratic principles corrode the creative and revolutionary spirit of the individual. This poem ridicules the fact that government‚ or the people in control of the citizens of the US‚ know‚ or could find out anything and everything about a person. This creates the idea that people are reduced to a number‚ or a statistic‚ not a person. In The Unknown Citizen‚ the State or the
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as MANY TIMES as you want to get the right answer. This doesn’t bear the slightest resemblance to ANYTHING in real life. Rule 9: Life is not divided into semesters. You don’t get summers off and very few employers are interested in helping you FIND YOURSELF. Do that on your own time. (and can I add‚ on your own dime) Rule 10: Television is NOT real life. In real life people actually have to leave the coffee shop and go to jobs. Rule 11: Be nice to nerds. Chances are you’ll end up working
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Chirag Patel Biology 157 Determining the Effect of Varying Substrate Concentration Question: How does concentration of potatoes affect the amount of oxygen produced with hydrogen peroxide and potatoes (enzymes)? Introduction The enzyme used for this experiment is Catalase. Catalase is inside mostly any living organism which uses oxygen. Its job is to break down hydrogen peroxide‚ into oxygen and water. (Formula) 2H2O2 ---> 2H2O + O2 (lab manual). There are limiting factors which if altered
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Finding A Passion The level of overall job satisfaction has been trending downward in the past four years (SHRM). It is said that this downfall is due to lack of preparation in finding values‚ strengths‚ and passions. Many people fail to find a position that fulfills their personal‚ financial‚ and social needs. It is important for people to be satisfied with their jobs‚ because work is a key part of a person’s life. Tools that assess a person’s hobbies‚ values and strengths can be useful
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Twenty- one. A guard of the Tomb of the Unknown Soldier takes twenty-one steps during his walk across. This number alludes to the twenty-one gun salute‚ the highest honor given any military of foreign dignitary. The guards hold their task in their highest regards. They look their ability to guard the Tomb of the Unknown in highest regards. Similarly‚ it would be an indescribable honor for me to be able to lay the wreath upon the Tomb. Three reasons why it would be such an honor to be able to
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The Effect of Concentration‚ pH and Temperature on Enzyme Activity Biology For Majors October 4‚ 2012 Abstract We examined the reaction an enzyme has when its concentration‚ pH and temperature are altered. In order to do this‚ we added different levels of pH into different test tubes with the enzyme (sucrose)‚ and substrate (sucrose)‚ and we then inverted the tube. The higher pH produced more enzyme activity. Temperature effects enzyme activity by decreasing its stability when the temperature
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Determination of Concentration of Potassium Hydroxide Weigh boat 0.87g Weigh boat + Sulphamic acid 3.29g Weigh boat after transfer 0.87g Sulphamic acid 2.42g | Trial | 1st | 2nd | 3rd | 4th | 5th | Start | 3.00 | 3.20 | 5.20 | 18.55 | 1.90 | 14.65 | Finish | 17.35 | 18.10 | 18.10 | 31.50 | 14.65 | 27.65 | Titre | 14.35 | 14.90 | 14.90 | 12.95 | 12.75 | 13.00 | Average titre = 12.90cm3 NH2SO3H + KOH – NH2SO3K + H20 Sulphamic Acid Standard Solution Moles from mass
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