Here is a compilation of essays on ‘Soil’ for class 7, 8, 9, 10, 11 and 12. Find paragraphs, long and short essays on ‘Soil’ especially written for school and college students. Essay on Soil Essay Contents: Essay on the Introduction to Soil Essay on the Soil-A Living and Dynamic System Essay on the Biotic Components of Soil-Number and Activities [...]
This article throws light upon the three main spheres of the Earth’s surface. The spheres are: 1. Atmosphere 2. Hydrosphere 3. Lithosphere. Sphere # 1. Atmosphere: The envelop of air that covers both the lithosphere and hydrosphere is called atmosphere. It contains water molecules and dust, which may act as nuclei for the condensation of water vapour to form clouds [...]
After reading this article you will learn about the rock and mineral composition of the earth’s crust. Rock is composed of elements, which in turn are made up of atoms. Out of 106 elements known, 8 are sufficiently abundant as to constitute about 99 per cent by weight of the earth's crust (up to 16 km) (Table 2.2, Fig. 2.2). [...]