Food prices in South Africa have increased by over 10% within the last year. This has a negative effect on the people with a lower income and who need to spend more of their total income on food. The cost of the standard South African food basket‚ which is expressed as a share of the average monthly income for the poorest 30% of the population has increased from 32.4% in October of 2010 to 36.4% in October 2011. Some of the determinants of the increased food prices occurred due to higher administered
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Americans have begun to eat more fast food because the way in which it is marketed; it’s cheap‚ convenient‚ finger-food‚ and it tastes good. Eating is one of the pleasures of life‚ although it can be bad for your health when eating fast foods‚ which are high in saturated fats‚ refined sugars‚ calories‚ and sodium that lead to obesity and diabetes. What are the effects of eating fast food and the impact it has on a person’s health? The Meaning of Fast Food Fast food is the term given for too many items
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Today‚ fast food restaurants have appeared in large quantities all over the world. Many fast food companies all have business everywhere such as McDonald’s‚ KFC and Burger King. Variety of people‚ especially the youths‚ prefers to eat fast food than cook at home. Absolutely‚ fast food is convenient for people’s lives‚ and has become popular in the world. However‚ fast food is making the world unhealthy and impatient. The appearance of fast food restaurants represents the fast pace of the world’s
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pH & Enzyme Action Aim: To inspect the effects of the pH on enzymes. Apparatus: 100 cm³ Beaker 3 – 5cm³ Syringes 2 Test Tube Racks with 8 Test Tubes Stop-watch Ruler Dropping bottle of detergent Marker Pen Masking Tape 400cm³ Hydrogen Peroxide 200cm³ Liver Catalase Solution 100cm³ of following Buffer Solution – pH5 pH7 pH9 pH11 Method: The materials were collected. The test tube rack one with 4 test tubes had been labelled A to D. The 2cm³ of each buffer solution
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Nowadays‚ people can’t deny that chocolate has famous and popular food. It has many flavors and types such as dark chocolate‚ milk chocolate or white chocolate. In free time‚ consuming desserts help many people relax‚ feel good and enthusiastic for work or anything else. People love to eat but some people only eat and never realized about something bad of it. They never knew about the negative effect of chocolate has. People eat chocolate because of it delicious. They never know another side of what
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Distinction of pH levels of Orange Juice and Milk of Magnesia in comparison to Distilled Water Cooper‚ A.‚ Do‚ J.‚ Francois‚ F.‚ Olaleye‚ O. Lab Section LA: 06/20/2012 Introduction pH is the measurement of the concentration of hydrogen ions in a certain solution. Solutions or substances that have a higher concentration of hydrogen ions are considered acidic on the pH scale. Therefore‚ a solution with low concentration of hydrogen ions is basic on the pH scale. The pH scale is a universal means
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The objective of this research proposal is to closely examine the effects of fast food in one’s with relations to obesity and to find the truth behind these scrumptious but unhealthful cuisines. In America today‚ fifty percent of the money used to buy food by consumers goes into these fast food restaurants. With this percentage‚ the consumption of fast food is extremely high. Studies have shown that an excessive intake of fast food can lead to an unhealthy diet and can cause obesity. For my preliminary
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Inflation’s effects on an economy are various and can be simultaneously positive and negative. Negative effects of inflation include a decrease in the real value of money and other monetary items over time‚ uncertainty over future inflation which may discourage investment and savings‚ and if inflation is rapid enough‚ shortages of goods as consumers begin hoarding out of concern that prices will increase in the future. Positive effects include ensuring central banks can adjust nominal
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digestive power of pepsin is greatest at the acidity of normal gastric juice (pH 1.5–2.5). In the intestine the gastric acids are neutralized (pH 7)‚ and pepsin is no longer effective. "Pepsin (biochemistry)." Encyclopedia Britannica Online. Encyclopedia Britannica‚ n.d. Web. 10 Dec. 2012. Research Question: Does changing the pH of pepsin affect the ability to break down the protein (mass of jello). Variables: independent- Ph level dependent- The mass of the jello
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Name: _____________________ Date: _____________ Student Exploration: pH Analysis Vocabulary: acid‚ acidic‚ alkaline‚ base‚ indicator‚ neutral‚ pH Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. Acids are substances that produce hydrogen ions (H+) when dissolved in water. Lemon juice is an example of an acid. A. What does lemon juice taste like? __Sour.______________________________ B. What does it feel like if lemon juice gets in your eye? ___It
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