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SS2 Government Third Term: Nigeria and World

Introduction There is interdependence and inter-relationship existing among nations of the world. No nation is an island. Nations of the world have become so closely related to one another as a result of breakthrough in communication, formation of different types of organizations, etc. Therefore, development of nations cannot be done without relating or interacting with

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SS2 Mathematics Third Term: Bearings: Angles of Elevation and Depression

Introduction to Angles of Elevation and Depression  Any surface which is parallel to the surface of the earth is said to be horizontal. For example, the surface of liquid in a container is always horizontal, even if the container is held at an angle. The floor of your classroom is horizontal. Any line drawn on

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SS1 Economics Third Term: The Nature of the Nigerian Economy

General Overview of the Nigerian Economy Nigeria is a middle income, mixed economy and emerging market, with expanding manufacturing, financial, service, communications, technology and entertainment sectors. It is ranked as the 21st largest economy in the world in terms of nominal GDP, and the 20th largest in terms of Purchasing Power Parity. It is the

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SS1 Biology Third Term: Energy Transformation In Nature

Introduction  The transformations of energy in an ecosystem begin first with the input of energy from the sun. Energy from the sun is captured by the process of photosynthesis. Carbon dioxide is combined with hydrogen (derived from the splitting of water molecules) to produce carbohydrates (CHO). Energy is stored in the high energy bonds of

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SS1 Chemistry Third Term: Tricarbonates

Introduction These are the salts of carbonic acid. The anions are represented as: Carbonate ion trioxocarbonate (IV) : CO32- Bicarbonate ion or hydrogen trioxocarbonates:  HCO3– These anions are formed from carbonic acid, H2CO3 as follows: H2CO3 <——-> HCO3– + H+ <——–> CO32- + H+ COMPOUNDS CONTAINING TRIOXOCARBONATE (IV) OR HYDROGEN TRIOXOCARBONATE (IV) ANIONS Usually metal ions

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SS1 Geography Third Term: States In Nigeria

Introduction Population in Nigeria increased from 1990 to 2008 by 57 million, 60% growth rate. Nigeria is the most populous country in Africa and accounts for about 18% of the continent’s total population, however, exactly how populous is a subject of speculation. The United Nations estimates that the population in 2009 was at 154,729,000, distributed

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