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Showing posts from February 25, 2025

NCERT BASIC summaries

 Here's the tabular representation of the given text, focusing on places, animals, lifestyle, and key concepts: Human Environment – Settlement, Transport, and Communication Category Details Early Settlements - Early humans lived on trees and in caves 🌲🏕️- Permanent settlements developed near river valleys for water and fertile land 🌊🌾 Civilizations Near Rivers - Indus River – Indus Valley Civilization 🏺- Tigris River – Mesopotamian Civilization 🌍- Nile River – Egyptian Civilization ⛵- Hwang-He River – Chinese Civilization 🏯 Types of Settlements - Temporary settlements – Found in forests, deserts, mountains 🌲🏜️🏔️- Permanent settlements – Majority of settlements today 🏠 Lifestyle in Different Climates - Heavy rainfall areas – Houses with slanting roofs 🌧️🏡- Flood-prone areas – Houses on stilts/raised platforms 🏠🌊- Hot climates – Mud-walled houses with thatched roofs ☀️🏠- Cold regions – Igloos made of ice ❄️🏠 Occupations in...

RESOURCES -natural , -GEO- ECONOMY RELATED iNFRA n DEVelopment

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India’s offshore mineral reserves include gold, diamond, copper, nickel, cobalt, copper, manganese, and rare earth elements etc. Reserves: Geological Survey of India has delineated resources of following minerals in the offshore areas: o  Lime mud within EEZ off Gujarat & Maharashtr a coasts & Construction grade sand off Kerala coast.   o Heavy mineral placers i n the inner-shelf and mid-shelf off O disha, Andhra Pradesh, Kerala, Tamil Nadu and Maharashtra.  o Phosphorite in Ea stern & Western continental margin s .   o Polymetallic Ferromanganese (Fe-Mn) nodules and crusts in Andaman Sea and Lakshadweep Sea.  Types of resources that can be mined from the deep sea •  Polymetallic nodules: These are small, potato-shaped lumps of minerals found on the seabed, containing high concentrations of metals like manganese and iron . • ===================================================  Seafloor massive sulphides: These are depos...