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Posted by Sudip Saha 5 years, 7 months ago
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Gaurav Seth 5 years, 7 months ago
Nov 1, 2016 - A volcano is an opening in Earth's crust that allows molten rock from beneath the crust to reach the surface. This molten rock is called magma when it is beneath the surface and lava when it erupts or flows from a volcano. Along with lava, volcanoes also release gases, ash, and rock.
Posted by Sudip Saha 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
An opening in the earth’s crust that allows hot molten lava, ash and gases to escape from below the surface, is called a volcano.
Lava is molten rocks or magma coming out from the magma chamber through a vent, which is located in the middle of a volcanic mountain and connected to a pool of lava under the earth’s surface. With time, the lava and ash flow out of the magma chamber, cool down, solidify and accumulate in layers forming a Volcano.
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Karunesh ? 5 years, 7 months ago
Posted by Rahul Gupta 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
The current population of India contributes to 17% of the global population. Also, all these people are unevenly distributed across 3.28 million square kilometers of our geographical area.
According to the 2001 Census, Uttar Pradesh is the highest populated state in India with a total number of 166 million people. While on the other hand, states like Sikkim and Lakshadweep have the lowest population of 0.5 million in Sikkim and only 60000 people in the island state of Lakshadweep.
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Sia ? 3 years, 5 months ago
| NATALITY | MORTALITY |
| 1) The birth rate in a given population is called Natality. | 1) The death rate in a given population is called Mortality. |
| 2) Birth rate refers to the total number of live births per 1000 in a given population during a given time period or a year. | 2) Death rate refers to the measure of number of deaths or the number of deaths per 1,000 individuals per year. |
Posted by Sunil Rai 5 years, 8 months ago
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Yogita Ingle 5 years, 8 months ago
(a) Minerals: Areas with mineral deposits attract industries. Mining and industrial activities generate employment. So, skilled and semi–skilled workers move to these areas and make them densely populated. Katanga Zambia copper belt in Africa is one such good example.
(b) Industrialisation:Industrial belts provide job opportunities and attract large numbers of people. These include not just factory workers but also transport operators, shopkeepers, bank employees, doctors, teachers and other service providers. The Kobe-Osaka region of Japan is thickly populated because of the presence of a number of industries.
Posted by Dimpy Rani 5 years, 8 months ago
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Karunesh ? 5 years, 7 months ago
Harsh Mishra 5 years, 8 months ago
Posted by Puskar Khatiwora 3 years, 5 months ago
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Sia ? 3 years, 5 months ago
| WEATHERING | MASS WASTING |
| It is the disintegration, breaking down and decomposition of components in the earths crust throung the action of natural or other agents. | It is the movement of rocks and other particles along slopes and hills because of the action of gravity and force and gets amassed in the bases. |
| It can be mechanical, chemical or biological. | It can be rapid movements like rock falls or landslides or slower movements like erosion |
| It does not result in the occurence of any natural disaster. | It can result in disaster like landslides. |
| It does result in any movement. | It result in the movement of debris and particles to distant places. |
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Yogita Ingle 5 years, 8 months ago
Advantages of multipurpose project:-
1)used to generate hydroelectricity.
2) it supplies water for the domestic and industrial purpose.
3) it helps to control flood.
4) it provide recreation facilities/picnic/boating.
5) they are also for land navigation.
6) useful for pisciculture.
Disadvantages:-
1) multipurpose project affects the natural flow of water.
2) it cause the excessive sediments at the bottom of the river which makes stream beds rockier.
3) it causes the poor habitat of aquatic life.multi purpose projects causes no migration of aquatic fauna.
4) the dam submerged the vegetation and soil at the both of the bank of the river and causes flood plains.
5)multi purpose projects also causes new social movement like Narmada bachao andolan.
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Karunesh ? 5 years, 7 months ago
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Karunesh ? 5 years, 7 months ago
1Thank You