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Ask QuestionPosted by Ritesh Kumar 5 years, 11 months ago
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Posted by Muskan Sageer 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
Metals are important in present day India because of the following reasons:
(a) Metals like iron, steel, aluminum etc are very important for the survival as all the infrastructure or development of the country is directly depends on these metals.
(b) They make up over 80% of all the elements in existence. They are not only structurally important but are also chemically important.
Posted by Gaukaran Gilhare 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
Since, during World War 1 britishers cannot export steel from India and thus cannot produce steel products in their own country as the supply from India was cutted as in wars boats and ships were destroyed. They can't import steel to their home country. Thus TISCO used the opportunity and started production of steel and this led to produce steel products in India. Similarly, many other sectors got opportunity to meet the demand of India's population. At that time many other industries growed in India and TISCO was the best example of that time which growed to the highest level.
Posted by Mousumi Debnath 5 years, 11 months ago
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Tiasha Barai 5 years, 11 months ago
Posted by Prince ..... 5 years, 11 months ago
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Meghna Thapar 5 years, 10 months ago
Advantages of friction:
- We are able to walk on ground because friction between the sole of our shoes and ground prevents us from slipping over the ground.
- Friction between tyres of a car and the road enables a car to move forward on road without skidding.
- The brakes of a car or a bicycle work by friction.
- We are able to write and make drawings on paper because there is friction between the tip of pencil and paper.
- We can hold a glass tumbler in our hands because of friction between the glass tumbler and our hands.
- We are able to fix nails in a wall due to friction.
Posted by Dev Lunagaria 5 years, 11 months ago
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Posted by Surekha Suryavanshi 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
The causes of friction are molecular adhesion, surface roughness and the ploughing effect. Every object has a rough surface, though the surface may appear to be smooth to the naked eye. But when we observe through a microscope, we find that the surfaces of all the objects have rough edges. Some of the particles on the surface of objects are in the form of tiny hills and valleys. When a body is pulled over another, these tiny hills and valleys present on both the surfaces in contact get entangled with one another.
Posted by Anushri Sahu 5 years, 11 months ago
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Posted by Siddhi Singh 5 years, 11 months ago
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Posted by Vibhanshu Verma 5 years, 8 months ago
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Angel Gautam Av 2124 5 years, 11 months ago
Yogita Ingle 5 years, 11 months ago
- It is a device used in building during construction to protect the buildings from the effect of lightning.
- A metallic rod is erected along the walls of the building during construction such that the tip is protruding outwards at the top of the building.
- The top end is in air and is not in touch with any metallic surface.
- The other end is buried in the ground.
- When a lightning strikes, this provides a direct path for the charges to discharge to the ground, thereby not affecting anybody.
Posted by Tiasha Barai 5 years, 11 months ago
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Posted by Md Zaid 5 years, 11 months ago
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Tiasha Barai 5 years, 11 months ago
Posted by Bhavesh Jain 5 years, 11 months ago
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Posted by Prince ..... 5 years, 11 months ago
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Angel Gautam Av 2124 5 years, 11 months ago
Posted by Ghanshyam Rattawa 5 years, 11 months ago
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Vaigha Madathil 5 years, 11 months ago
Posted by Fahaam Uddin 5 years, 11 months ago
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Posted by Sasmita Behera 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
Subsistence Farming: When farming is done to meet the needs of the farmer’s family, it is called subsistence farming. In subsistence farming, low levels of technology and household labour are generally utilised. Farming is done on smaller plots and output is also small. Subsistence farming can be further categorized as intensive subsistence and primitive subsistence farming.
- Intensive Subsistence Farming: In this type of farming, the farmer cultivates on a small plot of land. He uses simple tools and more labour. Places which have fertile soils and where the climate allows a large number of days with sunshine are suitable for this type of farming. In favourable climates, farmers are able to grow more than one crop in a year. Rice is the main crop in this type of farming. However, wheat, maize, pulses and oilseeds are also grown. This type of farming is prevalent in densely populated areas of the monsoon regions of south, southeast and east Asia.
- Primitive Subsistence Farming: Shifting cultivation and nomadic herding come under this type of farming.
- Shifting Cultivation: In shifting cultivation, a small patch of land is cleared by felling the trees and burning them. Then the ashes are mixed with the soil and seeds are broadcast. After a couple of years, the patch of the land is left fallow and the farmer moves on in search of a new patch of land. Shifting cultivation is practiced in thickly forested areas of Amazon basin, tropical Africa, parts of southeast Asia and Northeast India.
- Nomadic Herding: In this type of farming, cattle, sheep, goat and camel are reared. The herdsmen move from place to place with their animals in search of new pastures. Nomadic herding is practiced in the semi-arid and arid regions of Sahara, Central Asia and some parts of India (like Rajasthan and Jammu & Kashmir).
Posted by Vikramjit Singh 5 years, 11 months ago
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Posted by Priyanshu Jain 5 years, 11 months ago
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Divaksh Arora 5 years, 11 months ago
Yogita Ingle 5 years, 11 months ago
Agro- based industries are those industries which use agricultural products as raw materials. For example, cotton textiles and jute industries are agro based industries.
Posted by Mili Kumari 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
1.When incomplete combustion occurs harmful products -carbon monoxide (and other products which are not harmful)
2.When complete combustion occurs harmful products are-carbon dioxide, (and other products which are not harmful)
Posted by Snehal J 5 years, 11 months ago
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Posted by Jaipal Jyani 5 years, 11 months ago
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Tiasha Barai 5 years, 11 months ago
Posted by Divaksh Arora 5 years, 11 months ago
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Fahaam Uddin 5 years, 11 months ago
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Rishiraaj Das 5 years, 11 months ago
1Thank You