What is a Valley Landform: Formation and Types of Valleys


What is a Valley Landform? Valleys are the most predominant landforms on the face of the earth. They are found on virtually every continent on planet earth, along sea bottoms, and other planets. Valleys assume a wide array of forms, from broad plains to steep-sided canyons. The kind of valley created depends on numerous factors, … Read more

What is a Mountain Landform: Formation and Types of Mountains


What is a Mountain Landform? Of all the landforms on earth, mountains loom large in people’s imagination. From ancient times, many have viewed these mysterious places as home to supernatural beings or gods. Others have viewed them as the hallmark in human escapade. Mountain climbing is one such escapade and is seen as an intense … Read more

Formation, Movement and Classification of Air Masses


What are Air Masses? Air mass is an extremely large body of air in the atmosphere whose properties – temperature, humidity and lapse rate, which is the decrease of atmospheric temperature with height, are largely uniform over an area which can be several hundred kilometers across the surface of the earth. Climate science defines air … Read more

Various Causes of Land Pollution


Various Causes of Land Pollution Land pollution is the destruction or decline in quality of the Earth’s land surfaces in term of use, landscape and ability to support life forms. Many times, it is directly and indirectly caused by human activities and abuse of land resources. Land pollution takes place when waste is not disposed … Read more