planetary ecosystems (biomes) MAJOR PLANETARY ECOSYSTEMS (BIOMES) OF THE WORLD AND THEIR CHARACTERISTICS Definition: Biome:   It is a large scale […]

condensation and rainfall Lesson 26: CONDENSATION Condensation is he processes by which water vapour upon cooling change it state into […]

LESSON 25: GLACIATION Glaciation is the process or the state of being covered by glacier and the action of these […]

Lesson 24: DESERT LANDSCAPE A desert is generally a barren area of landscape where little precipitation occurs and consequently living […]

LESSON 23:   WAVE ACTION IN COASTAL AREAS Definition: a wave is an oscillation of water particles in the sea or […]

Lesson 21:   RAINWATER ACTION ON LIMESTONE LANDSCAPE Limestone is a sedimentary rock of organic origin derived on the accumulation of […]

weathering types LESSON 20:   WEATHERING Denudation is the wearing away of the earth surface by various elements like weathering, erosion, […]

volcanicity LESSON 16: VOLCANOES AND MAN VOLCANICITTY It is the process were solid, gaseous and liquid materials are ejected on […]

plate tectonics LESSON 15: PLATE TECTONICS Plate tectonics is the twisting, bending and breaking of the crust and its rocks […]

LESSON 14: THE THEORIES OF THE EARTH STRUCTURES CONTINENTAL DRIFT This theory describes the tearing and movement of continents apart. […]