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CHAPTER 07: SUSTAINABLE USE OF POWER AND ENERGY RESOURCES

Energy is the power required to carry out an activity. Power is the ability to do something (work). Therefore, Energy produces power that used to carry out an activity. Energy sources can be divided into the following two broad categories : (a)Renewable sources (b)Non-renewable sources (a)Renewable Sources : Are those sources (resources) that cannot be finished or exhausted. For example, sun, wave, tides, geothermal steam and biogas or biomass. Renewable sources also are known as inexhaustible sources (b) Non-Renewable Sources: These are sources that can be exhausted or finished. Nonrenewable sources, also known as exhaustible resources. Examples of Non Renewable resources are coal, petroleum, natural gas, fuel wood, nuclear energy and all radioactive mineral like uranium and plutonium. Renewable Energy Sources and Non-Renewable Energy Sources: 1. Sun : The sun is the source of all the other sources of energy. This is because all the other sou

CHAPTER 06: TOURISM

Tourism is defined as the movement of people from one place to another either for studies, pleasure, leisure or business. The scope of tourism is regarded as social, cultural, political and economic aspects or activities. There are two main types of tourism: (a)     Domestic tourism. (b)     International tourism. (a) Domestic tourism: It is the type of tourism that involves the movement of people from one place to another within a country.   This can be from Mwanza to Lindi, or New York to California as an example. (b) Interaction tourism: Is the type of tourism that refers to the movement of people from one country to another country or one continent to another continent. This can be from Tanzania to Kenya, Switzerland to Indonesia or Africa to Europe, Australia to North America and so forth. Factors Influencing the Development of Tourism These factors can both be political, social, culture and economic factors. The following are some of the