N10/5/MATME/SP1/ENG/TZ0/XX/M This markscheme is confidential and for the exclusive use of examiners in this examination session. It is the property of the International Baccalaureate and must not be reproduced or distributed to any other person without the authorization of IB Cardiff. –3– N10/5/MATME/SP1/ENG/TZ0/XX/M Instructions to Examiners Abbreviations M (M) A (A) R N AG Marks awarded for attempting to use a correct Method; working must be seen. Marks awarded for Method; may be implied by correct subsequent
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Lacsap’s Fractions The aim if this IA is to investigate Lacsap’s Fractions and to come up with a general statement for finding the terms. When I noticed that Lacsap was Pascal spelt backwards I decided to look for a connection with Pascal’s triangle. Pascal’s triangle is used to show the numbers of ‘n’ choose ‘r’(nCr). The row number represents the value of ‘and the column number represents the ‘r’ value. Eg. Row 3‚ colomn 2 = 3C2 =
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Population growth has its own effects on economic growth of a country‚ which can be negative or positive first we will look in to the negatively effecting factors of population growth: 1) Due to increase in Population Consumption Increases‚ which will decrease‚ GNP/GDP and Imports will increase and Exports Fall down Budget Defect is the result and the prices mount high. 2) Miss Use OR Over use of Natural Resources. Due to increase in population Man to Land Ratio decreases. As land is inelastic
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6.3.4 Leucocytes are white blood cells. Phagocytes are found in the blood and ingest pathogens. One is called Macrophage. They change their cellular shape to surround an invader and take it through the process of phagocytosis. It recognizes if the cell is ‘self’ or ‘not self’‚ by the protein make-up of the cell. The ‘not self’ cells are engulfed and then the enzymes within the phagocytes called lysosomes then digest the pathogens. Phagocytes can ingest pathogens in the blood but also within body
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Effects of Rapid Population Growth While population growth is at times a beneficial thing for a species‚ there are many factors that define when growth becomes detrimental. When population growth becomes "rapid" there is a great chance that the counter-productive level has been reached. The most accurate index is the balance between population and sustainability. 1. Rapid Growth o Rapid growth is a quick increase in population. The number concerned when calculating the population is the number of
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Ways to control Population Growth Population growth is the rate of increase in the size of a given area‚ such as a city‚ country or continent. Population growth is closely linked to fertility‚ which is the rate at which women produce offspring. Due to the limited resources on earth and in various countries‚ rampant population growth can lead to inadequate food and other amenities‚ so in certain cases it can be beneficial to attempt to limit population growth. Laws One way for a country or
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Population Growth and the Ecological Balance GEO 702: Technology and Contemporary Environment Professor Valentina Capurri Student Name Zohra Mohammad Student Number 500 383 844 Submission Date 05/11/2014 With the rapid growth of population in various areas of the world‚ the global leaders have taken a moment to realize the consequences and the impact this is having on the ecological balance of the earth. While there are several ways in which humans are responsible for the disturbance of ecological
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is fixed - Supply would grow more slowly than the population + population = - development Malthusian Theory: * Population tends to increase at a geometric rate * Food can only increase arithmetically * Population expands to eat up any surplus * Social expenditure on school and health due to young age structure diverted funds from capital investment. Aspects to consider about population and economy: Population and deforestation‚ and agriculture development -Expansive
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Prompt 1: In the Population Growth video‚ what was a big factor in population growth? (Think about world events that were occurring.) How does this relate to the other two videos on populations? A big factor represented in the Population Growth video was that we cover up 17% of the earth’s surface and the resources that we have to survive is only 4%. A problem that is in effect is that the population of humans is increasing. The following relates to the other two videos on population by showing the
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Ecology and Population Growth University of Phoenix SCI 230 Introduction to Life Science September 30‚ 2010 Ecology and Population Growth The current estimate of the worldwide human population at this moment is approximately 6‚872‚164‚233. Every minute‚ the world ’s human population increases by 176 people. At the beginning of this century‚ earth ’s human population already surpassed 6 billion; at the end of the century‚ it could reach 12 billion (Aliette‚ 2001). The population changes
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