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Classwork Exercise and Series (Commerce-SS1): Specialization And Exchange

Definition Of Specialization Specialization is defined as the concentration of the productive efforts of an individual, a firm or a country in a given aspect of economic activity or on a particular line of production in which it has the greatest advantage over others. It is the act of pursuing a particular line of work

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Classwork Series and Exercises {Physics – SS3}: Photoelectric Effect

 Physics SS 3 Week 7 Topic: PHOTOELECTRIC EFFECT INTRODUCTION In 1887, photoelectric effect was invented by the scientist H. Hertz. When we passing a light into a material, the material should emit an electrons. This effect is called as Photoelectric effect. Some of the rays produced in Photoelectric Effect are x-rays, ultraviolet rays and γ-rays.

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Tips for Teens: The Truth About Alcohol… And Why You Should Avoid Taking It

  Excessive consumption of Alcohol may harm one’s life in several ways. Alcohol can destruct the person’s mental, emotional and physical health. It also affects one’s relationships. Alcohol makes the person addicted as well as directs a person towards a dangerous path. The risk of several health diseases such as liver and heart disease increases

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Classwork Series and Exercises {Chemistry – SS2}: Hydrogen

Week 5 Topic: Hydrogen Introduction Hydrogen was first isolated and shown to be a discrete element by Henry Cavendish in 1766.  Before that, Robert Boyle and Paracelsus both used reactions of iron and acids to produce hydrogen gas.  Antoine Lavoisier gave hydrogen its name because it produced water when ignited in air.  Hydrogen comes from

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Classwork Series and Exercises {Business Studies – JSS2}: Insurance

Business Studies JSS 2 Week 7 Topic: Insurance I Contents: Meaning of Insurance Principles of Insurance A. Meaning of Insurance Insurance can be defined as the process whereby there is protection against any risk that may terminate life or destroy the business or individual property. Loss of damage to property may arise from accident, theft,

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Classwork Series and Exercises {Basic Technology – JSS2}: Cutting Tools

JSS 2 SECOND TERM BASIC TECH Week 11 Topic: CUTTING TOOLS The tools used in cutting metal include chisels, files and saws. a. Chisels Chisels are made of octagonal tool steel. They are forged to shape, filed, hardened and tempered. They are called cold chisels because they are used to cut cold metals. There are

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Classwork Series and Exercises {Mathematics – JSS3}: EVERYDAY STATISTICS

JSS 3 Mathematics Second Term Week 8 Topic: EVERYDAY STATISTICS Measures of Central tendency Introduction A measure of central tendency is a single value that attempts to describe a set of data by identifying the central position within that set of data. As such, measures of central tendency are sometimes called measures of central location.

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