WATER AS OUR NATURAL RESOURSE There are more than 326 million trillion gallons of water on Earth. Less than 3 % of all this water is fresh water and of that amount‚ more than two-thirds is locked up in ice caps and glaciers. With so much water around it seems like there is enough to see us through for millions of years. But did you know that even water‚ which seems to be in abundance‚ might one day become scarce? Each time you throw something as garbage‚ think of where it will finally end up. Whether
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The purpose of this practical is to investigate how the pulse rate of humans changes when they exercise. Someone who is physically fit can supply their muscles with enough blood‚ carrying glucose and oxygen‚ for an activity at a lower heart and breathing rate. The fitter you are the lower your resting heart rate. You and your classmates will be the humans investigated. SAFETY: If you know you have any condition that affects you doing exercise‚ please make sure your teacher knows before you start
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for each company. Please show all numerical equations including numerator and denominator‚ not just a final number. Present your work in a comparative format using a table as illustrated: 1) Gross profit for 2008 PepsiCo Coca-Cola and Gross profit rate for 2008. 2) Percent change in operating income from 2007 to 2008. 3) Accounts receivable turnover for 2008. 4) Days sales in receivable for 2008. 5) Inventory turnover for 2008. 6) Days inventory on hand for 2008. 7) Increase (decrease)
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The principles and practice of controlling water activity via heat transfer. Darren Olive – 06067578 Year 4 module towards the award of BSc (Hons) degree in food manufacturing. FDT 3001M – Technical Management. Submitted: 5th May 2014 Tutor: Mrs Lindi Tizi Extension code: MJS2013101 Contents Page 1. Introduction 3 2. Process operation that controls the water activity 3 3. Heat transfer. 5 4. Impact on nutritional and organoleptic qualities. 8 5. Reference
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INVESTIGATION #2 DETERMINATION OF THE WATER OF CRYSTALLISATION April 4‚ 2012 OBJECTIVE: Chemical compounds that contain discrete water molecules as part of their crystalline structure are called hydrates. Hydrates occur quite commonly among chemical substances‚ especially among ionic substances. More often than not‚ such compounds are either prepared in‚ or are recrystallized from‚ aqueous solutions. Hydrates exist for ionic compounds most commonly‚ but hydrates of polar and non polar covalent molecules
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property of water is that it is an excellent solvent. This is because of the chemical composition and physical attributes of water. Since water is polar‚ it allows water molecules to become attracted to different molecules. The attraction can be so powerful that it can disrupt the attractive forces of the different molecules. For example‚ water can be heavily attracted to salt that it can disrupt the forces that hold sodium and chloride‚ therefore dissolving it. The second property of water is its high
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Exchange Rate December 2014 THE EXCHANGE RATE KEY DEFINITIONS AND CONCEPTS 1. How is the exchange rate defined? The exchange rate is the price of a unit of foreign currency in terms of the domestic currency. In the Philippines‚ for instance‚ the exchange rate is conventionally expressed as the value of one US dollar in peso equivalent. For example‚ US$1 = P44.00. In every exchange rate quotation‚ therefore‚ there are always two currencies involved. 2. Why is the exchange rate important? The exchange
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What Amount of Water Grows the Plant the Longest? Daniel Rivera Alfonso Pineda Mrs. Fraijo AP Biology 10 June 2012 Abstract: In this experiment‚ 8 plants will be tested. Each except one plant (which will be the control group) will receive a certain amount of water starting at 0 teaspoons of water. Each plant will receive 1 more teaspoon than the previous cup‚ so it would be increasing. For example‚ cup 4 will have 4 teaspoons of water and cup 3 would have 3. The data recorded will be
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Determination of the Dosage of Bleaching Powder Required for Sterilization of Different Samples of Water CONTENTS 1. INTRODUCTION 2. GENERAL METHODS USED 3. THEORY 4. REQUIREMENTS 5. PROCEDURE 6. OBSERVATION TABLES 7. CALCULATIONS 8. RESULT 9. CONCLUSION INTRODUCTION Water is the major constituent of all living beings. Water necessary to sustain all types of life. The water used for drinking purpose by human beings should full the following conditions : 1. It should
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