many purposes. Agriculture: It is the process of producing food, feed, fibre and many other desired products by the cultivation of certain plants and the raising of domesticated plants. Biogas: The production of methane and carbon dioxide from plants and animal wastes. Fossil fuel: Any naturally occurring carbon or hydrocarbon coal, oil and natural gas.
Ore: It is a deposit in the earth crust with one or more value minerals. TAMILNADU - TRANSPORT Solar power: Heat radiation from the sun converted into electricity. Thermal power station: An electricity generating plants which burns coal or oil. Barter: A direct exchange of goods between any two parties.
No money is involved in the trade. Foreign exchange: The mechanism or process by which payments between any two places operating under different national currency systems are effected without passing of actual money or gold, etc. Harbour: An extensive stretch of deep water near the seashore where vessels can anchor securely. It is used for exports and imports of goods.
Port: The commercial part of a harbour with the facility of loading and unloading of goods and space for the storage of cargo. Bay: A broad inlet of the sea where the land curves inwards Beach: A pebbly or sandy shore, especially by the sea between high- and low-water marks Biogas: The production of methane and carbon dioxide from plants and animal wastes Commercial crops: Crops which are cultivated to be sold to gain profit from sale. Cyclone: A cyclone is a large scale air mass that rotates around a strong centre of low atmospheric pressure. Dams: A barrier constructed to hold back water and raise its level, forming a reservoir used to generate electricity, supply water and other uses.
Delta: A triangular shaped alluvial tract formed at the mouth of a river. Density of population: The average number of inhabitants living per sq km area Drought: It is a natural disaster of below average precipitation in a given region resulting water shortage. Drowning: death caused by being underwater and not being