Background information: 1) What is diffusion? Movement of a particular type of molecule from an area of high concentration to an area of low concentration. 2) How is diffusion used by living cells? Living cells bring in food‚ water and oxygen‚ and excrete wastes through the process of diffusion 3) List two body systems in vertebrates that are dependent on diffusion Digestive system and respirational system 4) What is meant by the term metabolism the chemical processes that occur within a
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of better living opportunities‚ people use to migrate from rural to urban areas. Rural areas are lagging behind in all good opportunities of life. It is an alarming situation for India. Father of nation‚ Mahatma Gandhi says‚ “India inhabits in villages”. But after seven decades of our independence‚ we fail to develop our villages and make them self-sufficient and self-reliance. Situation is going grim day by day in rural areas because of emigration from villages‚ destruction of cottage and small-scale
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Sample Question Paper 349 Sample Question Paper Mathematics (211) Time : 3 Hours Maximum Marks : 100 Note : 1. Question Numbers (1–16) are Multiple Choice Questions. Each question carries one mark. For each question‚ four alternative choices are given‚ of which only one is correct. You have to select the correct alternative and indicate it in the box provided against each question by writing A‚ B‚ C or D as the case may be. 2. Question Numbers (17–26) carry 3 marks each. 3. Question
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NATIONAL SENIOR CERTIFICATE GRADE 12 MATHEMATICAL LITERACY P1 NOVEMBER 2011 MARKS: 150 TIME: 3 hours This question paper consists of 15 pages and 1 annexure. Copyright reserved Please turn over Mathematical Literacy/P1 2 NSC DBE/November 2011 INSTRUCTIONS AND INFORMATION 1. 2. This question paper consists of SIX questions. Answer ALL the questions. Answer QUESTION 6.1.3 and QUESTION 6.1.4 on the attached ANNEXURE. Write your centre number and examination number in the
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to 7.3. [The height and the slant height must not both be 7.2‚ you see.] The front and back panels are trapezoids:. Each has area: . . . Front/Back: . The side panels are rectangles. . . Left/Right: . The top is a rectangle. . . Top: . The bottim is a rectangle. . . Bottom: . The total surface area is:. The volume is the area of a trapezoidal face times the length. . . Subject: Cylinder volume Name: Andy I need to fill a 10 foot diameter by
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SAN is called Storage Area Network also called Server area Network. A storage area network (SAN) is a high-speed special-purpose network (or subnetwork) that interconnects different kinds of data storage devices with associated data servers on behalf of a larger network of users. Typically‚ a storage area network is part of the overall network of computing resources for an enterprise. A storage area network is usually clustered in close proximity to other computing resources but may also extend
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Introduction: The Optimum currency areas theory is the seminal contributions developed by Mundell (1961)‚ it attempts to answer a question under which conditions a certain country would like to join a fixed exchange rates system. According to Krugman (2000)‚ if the monetary efficiency gain of one country exceeds its economic stability loss‚ the country will wish to join a monetary union/ a fixed exchange rate system. In this paper‚ the theory of optimum currency areas will be analysed in part 2. In
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affect the reaction rate are surface area‚ temperature‚ and concentration and pressure. Surface area is the exposed‚ outer layer of a solid. Increased surface area increases reaction rate because more particles on the surface of a solid come in contact with the particles of another substance. For example‚ if you place a donut stick into water‚ the donut will react slowly with the acid. This is because the acid only comes in contact with the particles on the surface of the donut. But‚ if you crush
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San Francisco Weather Center The San Francisco Bay Area‚ also known as the Bay Area‚ is a vastly populated region that surrounds the San Francisco and San Pablo estuaries in Northern California‚ United States (wiki). The region hosts the major cities and metropolitan areas of San Francisco‚ Oakland‚ and San Jose‚ along with smaller urban and rural areas The San Francisco Bay Area offers a significant variety of microclimates because the hills‚ mountains‚ and large bodies of water produce such
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Should Country Parks be Rezoned as Built-up Areas? Do you want to live in a bigger housing unit? The living space per capita in Hong Kong is 161 square feet. People who are single in Hong Kong need to spend 30 years awaiting a public housing. Hong Kong has 24% of land was developed‚ while the residential use accounted for 7% of the total land area of Hong Kong. This means 7 million population need to accommodate in this 7% of land. Do you want to give Hong Kong economy a boost? The gross domestic
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