GEOGRAPHY

A Brief Historical Account: It is not yet specifically known where surveying originated, but it is very probable that it has its origin in ancient Egypt. For instance a plan ...

Earth’s crust and the interior of the earth: The earth is almost like a sphere. Its radius is about 6,400 kilometres. There is no scope to observe the interior of ...

The orbit of the earth is an ellipse. Its length is 93,80,51,827 kilometres. The sun is located in the centre or in the focus of the ellipse. Perihelion: In the ...

Everyday the sun rises in the east and sets in the west. This process led many people in the past to think that the sun is moving and the earth ...

A working GIS integrates these five key components: hardware, software, data, people and methods. Hardware: Hardware is the computer on which a GIS operates. Today, GIS runs on a wide ...

Communication is the process of exchanging or transmission of meaningful information, feelings, opinions and ideas from one person to another or from one place to another. It is a two-way ...

Factors Affecting the Climate of Africa Latitude: Latitude refers to the location of a place on the earth’s surface in relation to the equator. Tropical latitudes where the sun’s altitude ...

Climatic change is defined as a change in the statistical properties of the climatic system when considered over long periods of time. In other words, climatic change is a significant ...

Data input refers to the procedure of automatization of the data and the conversion into forms that can be stored and analyzed in computers. This procedure is fundamental in every ...

Several classifications of soil types exist. The zonal classification treated here is considered most appropriate at this level. The classification relates soil to the major climatic and vegetation zones of ...