Solar system is the description of the position of the earth and other planets in relation to the sun. The […]
Category: Geography
Free Geography online learning lesson notes and videos for Secondary school and High school students. The lesson notes, videos and interactive slideshows are built on curriculum that is designed to meet national and international O’ Level standard for Senior High School or Senior Secondary school students (SS1, SS2, SS3 or SHS1, SH2, SH3) and Grade 9, Grade 10, Grade 11 and Grade 12 students.
Free online lesson notes and videos for the following exam preparations: WAEC, JAMB, Cambridge O’Level, NECO, GCE, British IGSCE, KCSCE, United States and Canada High School Exam preparations, etc.
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Action of running water
Running water is a very potent agent of erosion in humid regions. The action of running water which include streams, […]
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Action of underground water
Underground water is the water that sinks on to the ground, i.e. the water that enters the rocks. When it […]
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Volcanicity
VOLCANICITYVolcanicity is the ejection of solid, liquid or gaseous materials from some deep-seated reservoir of molten magma beneath the earth […]
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Earthquakes
An earthquake is a violent tremor in the earth crust which send out a series of vibrating waves in all […]
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Types of soil
TYPES OF SOILS Broadly speaking, there are three types of soils based on properties that differentiate one from the other. […]
Soil is the thin, outer layer of the earth which supports the growth of plants. It is also referred to […]
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Environmental balance
Environmental balance refers to the ways of recycling matter and the flow of energy within an ecosystem in order to […]