IGCSE ECONOMICS NOTES The economic problem (Ch. 1) - All materials on the earth (resources) are scarce (scarcity). - Resources are used to make goods and services. - Some resources like air are free. - All people have basic needs to survive i.e. food‚ air‚ water and shelter. - People want more than they need . - Wants are unlimited. - The economic problem is how to decide the allocation of scarce resources to meet unlimited wants. - Scarce resources have many alternative uses. - The cost
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Psychology Notes – Memory Flow of information in memory: Encoding Storage Retrieval Key terms: Encoding: changing information so that it can be stored Storage: holding information in the memory system Retrieval: recovering information from storage Multi-store: the idea that information passes through a series of memory stores Sensory store: holds information received from the senses for a very short period of time Short-term store: holds approximately seven chunks of information for
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* non-rechargeable * low cost (short-term) high cost (long-term) * used in objects with low energy requirements: e.g. hearing aids‚ watches‚ remote controls * do not require special handling‚ containment & disposal * higher level of interchangeability * short life time * produce larger amount of waste (sloping discharge curve) * low energy efficiency * used in situations where recharging is impractical: e.g. forest-fire services * higher energy density
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economy added together. Aggregate demand curve Planned purchase rates for all goods and services in the economy at various price levels. Aggregate supply All planned production for the entire economy added together. Aggregate supply curve The relationship between planned rates of total production for the entire economy and the price level. Asset Anything of value that is owned. Customers’ deposits create assets in that the bank holds sums of money‚ which it can use
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Christmas is celebrated differently around the world. I’m going to compare my Christmas holiday traditions to French holiday traditions. The holiday tradition for christmas in my family starts on Christmas eve‚ since I have little brother and sisters we bake cookies for santa and set the milk out and we even put reindoor food out! (It’s glitter and trail mix) When me and my siblings have finally fell asleep‚ my parents put out nthe gifts they don’t wrap the ones from santa so it looks more realistic
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IGCSE English Language Paper 3: Written Coursework IGCSE English Language Paper 3: Written Coursework Contents 1. Sample A 2. Sample B 3. Sample C 4. Sample D 5. Sample E 6. Reading Grids 7. Writing Grids 8. Written Coursework 9. Coursework Frontsheet 5 11 19 25 35 43 45 49 55 Edexcel IGCSE English - Exemplar Coursework Page 3 Edexcel IGCSE English - Exemplar Coursework Page 4 IGCSE English Language Paper 3: Written Coursework – Exemplar Materials Sample A Edexcel IGCSE English - Exemplar
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Grinch Won’t Always Give Christmas Back American families derive pleasure in viewing Christmas movies‚ and the hyperbolized plots give children and adolescents‚ the most influential individuals in society‚ unreasonable expectations‚ which affect their practicality. According to the website‚ “Problems with Christmas Curriculum‚” published by Steven A. Gelb‚ the standard formula used to create the plot of hundreds of holiday movies‚ shows the same fantasized version of Christmas‚ which makes one’s choice
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RICHARD ROGERS Richard Rogers‚ Italian-born British architect noted for what he described as “celebrating the components of the structure.” His high-tech approach is most evident in the Pompidou Centre (1971–77) in Paris‚ which he designed with the Italian architect Renzo Piano. Profound knowledge of building materials and techniques Artistic effect Clear echo of a building’s program Means to make architecture more productive for those it serves Energy efficiency and sustainability
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Edexcel IGCSE Maths 2 Answers to activities and exercises Unit 1 NUMBER 11 ACTIVITY 1 Time (h) Speed (km/h) 1 160 2 80 4 40 6 26.7 7 22.9 8 20 EXERCISE 1 1 a 4 days 2 3 4 5 6 7 8 a a a a a a a 28 days 8 men 12 people 60 years 40 000 men 12 hours 32 km/litre b 2 days b b b b b b b 6 days 16 men 8 people 15 years 20 000 men 72 km/h 20 litres c 2 c c c c c 2 days 3 4.8 days 32 men 6 people 1200 years 400 men EXERCISE 1* 1 a Number of light bulbs (N) 6 5 2 30 b 3000 = NP 2 a Number of
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IGCSE Biology Notes Refined by KmQ Unit 1 : Characteristics of living things Biology is the study of living organisms. For something to be alive it needs to perform all seven functions of living things.MRS GREN Movement‚ Respiration‚ Sensitivity‚ Growth‚ Reproduction‚ Excretion‚ Nutrition. 1. Movement Most organisms are able to move their whole body even plants can shift their stem towards the sunlight and their roots move towards healthy soil. 2. Respiration IT is the breakdown of food
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