The Earth is unique among planets due to its ability to support life, thanks to the right mix of land, water, air, temperature, and energy. It is part of the solar system and orbits the Sun. Its spherical shape slightly bulges at the equator due to rotation. The Earth has a layered structure: the crust, …
The universe is the whole of everything — all that we can see, and even what we cannot. The universe is everything that exists — all of space, time, matter, and energy. It includes: Galaxies (like the Milky Way) Stars (like our Sun) Planets (like Earth) Moons, asteroids, comets, black holes Light, radiation, and even …
The Continental Drift Theory, first proposed by Frank B. Taylor in 1910, was one of the earliest scientific ideas suggesting that continents are not fixed but move over the Earth’s surface. Although often overshadowed by Alfred Wegener’s later and more refined theory (1912), Taylor’s contributions were foundational in shaping the concept of continental mobility, which …
Theory of Cycle of Erosion by Penck emphasizes that uplift and erosion occur simultaneously and that the shape of landforms is determined by the rate of uplift and erosion, not solely by time. He rejected Davis’s time-dependent stages (youth, maturity, old age). The Theory of Cycle of Erosion was propounded by Walther Penck, a German …
Environmental Impact Assessment (EIA) is a formal process used to predict the environmental consequences of a proposed development project or policy. It aims to ensure that potential environmental effects are identified before decisions are made and actions are taken. The purpose is to promote sustainable development by integrating environmental considerations into decision-making. Detailed Principles of …
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World agriculture can be categorized into various types based on factors like: climate, farming practices, and economic aspects. Agriculture is the practice of cultivating soil, growing crops, and raising animals for food, fiber, and other human needs. It is one of the oldest and most fundamental economic activities, forming the backbone of food security and …
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The Climate of West Bengal is Tropical Savanna (Aw) in the Southern Portion of the State. In the northern part, the climate is Humid Subtropical (Cfa). West Bengal is located in the eastern part of India. It has a diverse climate due to its varied topography, like the Himalayan mountain range in the north and …
The Demographic Transition Theory is a model that explains the transition of society from high birth and death rates to low birth and death rates as it undergoes economic and social development. This theory was first proposed by Warren Thompson in 1929 and later refined by Frank W. Notestein in the 20th century. According to …
Hill Stations in India are mountainous region located at higher elevations. The climate of Hill Stations are relatively cooler and it is known for scenic beauty. There are several important hill stations in India formed due to its diverse geographical features. Each hill stations offer unique charm, climate, and attractions. List of Important Hill Stations …
If you are curious about the Grasslands of the World and their geographical distribution, you are in the right place. Grasslands are large areas of land dominated by grasses rather than trees or shrubs. What are Grasslands? Grassland is a special type of ecosystem found in the regions having relatively lower rainfall. The ecosystem is …