Effects of Alcohol vs. Caffeine on Water Flea ’s Heart Rate. Title Page Abstract For our most recent experiment we tested the effects of immersing water fleas in caffeine and alcohol to see the effects on their heart rate. Before the experiment we hypothesized that if you place the water fleas in alcohol then their heart rate will slow down‚ and if you place them in caffeine then their heart rate will raise. For this experiment we needed water fleas‚ tap water‚ two pipettes‚ a
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Topic: Tap Water vs. Bottled Water Specific Purpose: To persuade my audience that tap water is as safe as or safer than bottled water Central Idea: With bottled advertise and claim to be from pure sources‚ tap water can have alike or better quality sources of drinking water than bottled water. INTRODUCTION Attention-getter: Bottled water has become the indispensable item in our lives. It starts the day in lunch boxes; it goes to every meeting‚ lecture hall‚ and soccer match; it ’s in the cubicles
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GEOS 3310 Lecture Notes: Water Pollution Dr. T. Brikowski Spring 2012 file:waterQuality.tex‚v (1.33‚ November 14‚ 2011)‚ printed March 30‚ 2012 Water Pollution 1 Introduction Water pollution is the “degradation of water quality as measured by biological‚ chemical‚ or physical criteria.” Common sources of groundwater pollution are listed in Keller [Table 14.3‚ 2011]. Typical pollutants include: • Oxygen-demanding waste: materials that produce a high BOD [Fig. 11.2‚ Keller‚ 2000]
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A girl wants to join a water sport for her high school. Many people join sports every year. Two popular water sports are competitive swim and water polo. Competitive swim has a variety of things you can do. Also‚ anyone can do competitive swim if they are willing to try it. Lastly‚ swim gives you a better workout than water polo because you exercise your whole body. This paper will demonstrate that competitive swim is a superior sport to water polo. Most people prefer having a variety of things
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The movie and the book Like Water for Chocolate are both well written. I enjoyed the book because it had a different layout than the other books we have read thus far. The film was an asset to see because it followed the book so well that it gave you more ideas about things that you might not have totally understood while reading it. This is the first Spanish movie that has had such a positive effect on the book which makes the movie that much more amazing. When reading I tried to focus on
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lengthy‚ terrifying‚ and or for a purpose‚ movement can make a difference on how a person will like or dislike a film. Let me start with telling you about a film called The New World. The movement starts with the sound of water moving slowly in the ocean. What is making the water move? As the film continues
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How water is purified in water treatment plants Pre-treatment 1. Pumping and containment – The majority of water must be pumped from its source or directed into pipes or holding tanks. To avoid adding contaminants to the water‚ this physical infrastructure must be made from appropriate materials and constructed so that accidental contamination does not occur. 2. Screening (see also screen filter) – The first step in purifying surface water is to remove large debris such as sticks‚ leaves
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“Water is more important to human life than diamonds‚ yet tap water suppliers are less profitable than those selling diamonds. Using the concepts in MCS Chapter 3 as well as your general knowledge‚ explain why this profitability difference is likely to occur.” There are a couple of factors that come to mind when answering this question. First‚ lets look at the willingness to pay factor. We know from the text book that we can think of the product’s value to the customer as the highest price he/she
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BOTTLED WATER – A REPORT 1. INTRODUCTION: The global bottled water industry has become very profitable in the past ten years. Huge multinational companies currently make billions of dollars on water they simply extract from the ground‚ slap a label on and sell at competitive prices. Examples of these companies includes: Aquafina (Pepsi)‚ Dasani (Coke)‚ Perrier (Nestle)‚ Evian‚ and Fiji Water among hundreds of others. Many countries have become very oriented toward bottled water. According to
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Physical Science EFFECTIVENESS OF STRAWBERRY AND BAKING SODA AS TEETH WHITTER -Science Investigatory Project- I. Problem II. Background of study III. Hypothesis IV. Test a. Variables b. Design of the Experiment c. Materials d. Procedure e. Observations 1. Textual 2. Graphical 3. Tables V. Conclusion -Science Investigatory Project- I
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