Geography

New Terms Communication: The imparting or exchanging of information by speaking, writing or using some other medium, e.g., phones, letters, television, etc. Domestic Airports: There are 134 airports. The government owned Airports Authority of India (AAI) operates 122 airports and civil enclaves out of a total of 449 airports and airstrips located throughout India. … [Read more...] about Geography Chapter 7 Lifelines of National Economy – Notes & Study Material

Important Terms Air Pollution: It is caused by the presence of high proportion of undesirable gases, such as sulphur dioxide and carbon monoxide. Agro-Based Industries : Industries which obtain raw materials from agricultural products. Example- sugar industry. Agglomeration Economies: The industries tend to come together to make use of the advantages offered by urban … [Read more...] about Geography Chapter 6 Manufacturing Industries – Notes & Study Material

Important Terms Biogas: Biogas typically refers to a mixture of different gases produced by the breakdown of organic matter in the absence of oxygen. Geothermal energy: Geothermal energy is the heat emanating from underneath the surface of the earth. Drilling : Drilling is a cutting process that uses a drill bit to cut a hole of circular cross-section in solid … [Read more...] about Geography Chapter 5 Mineral and Energy Resources – Notes & Study Material

New Terms Agriculture: Agriculture is the cultivation and breeding of animals, plants and fungi for food, fibre, biofuel, medicinal plants and other products used to sustain and enhance life. ​Primitive Subsistence Farming: Primitive Subsistence farming is the type of farming that is done on a small patch of land with the help of primitive tools such as hoe, digging … [Read more...] about Geography Chapter 4 Agriculture – Notes & Study Material

Water Scarcity And the Need For Water Conservation And Management Though three-fourth of the earth’s surface is covered with water, only a small proportion of it is fresh water that can be used for drinking. 96.5 per cent of the total volume of world’s water is estimated to exist as oceans.2.5 per cent is fresh water. 70 per cent of this fresh water occurs as ice sheets and … [Read more...] about Geography Chapter 3 Water Resources – Notes & Study Material