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Ask QuestionPosted by Arushi Chandurkar 7 years, 3 months ago
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Posted by Arushi Chandurkar 7 years, 3 months ago
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Meghna Thapar 5 years, 6 months ago
Bitumen is a thick, black crude oil. Bitumen is a low-grade of crude oil which is composed of complex, heavy hydrocarbons. In an oil reservoir, bitumen is a thick, viscous fluid and must be extracted from the ground. When extracting it, a lot of heat and effort must be used to upgrade it to a better product. The majority of asphalt used commercially is obtained from petroleum. Nonetheless, large amounts of asphalt occur in concentrated form in nature. Naturally occurring deposits of bitumen are formed from the remains of ancient, microscopic algae (diatoms) and other once-living things.
Posted by Vasu Bajpai 7 years, 3 months ago
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Posted by Param Dalwadi 7 years, 3 months ago
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Soumya Pandey 7 years, 3 months ago
Posted by Param Dalwadi 7 years, 3 months ago
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Roshan Raj 7 years, 3 months ago
Posted by Param Dalwadi 7 years, 3 months ago
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Posted by Gurpreet Singh Batth 7 years, 3 months ago
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Meghna Thapar 5 years, 6 months ago
Organic manure or organic fertilizer is made up of organic biodegradable waste like animal excreta and agriculture wastes. As it biodegradable it cannot harm the environment and increase the soil fertility it is better than chemical fertilizer. The biggest disadvantage of using an organic fertilizer is that it may not contain primary nutrients like nitrogen, phosphorous or potassium, also known as NPK. Manure-based fertilizers contain these nutrients and are still considered organic. However, many others don't contain significant quantities of NPK.
Posted by Harman Kaur 7 years, 3 months ago
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Posted by Sneha Jain 7 years, 3 months ago
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Posted by Jayesh Chaudhari 7 years, 3 months ago
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Posted by Jayesh Chaudhari 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
The four basic activities of lumbering are:
- Felling: The first step is the felling or cutting of trees. Trees are first selected for felling. The high riggers who cut the trees climb up the trees. They wear spiked boots and safety belts which are connected to the trees in order to ensure their safety. After they reach the top of the tree, they begin the process of felling the trees. Axes have now replaced electrical saws which has made the process of cutting the trees much easier.
- Limbing: The removal of tree branches and cutting the trees into smaller logs is known as limbing. People who are involved in the process are known as sawyers or buckers.
- Skidding: The process of dragging or pulling the logs out of the forest to a nearby river bank, a road side or railway station is known as skidding. People who are involved in this process are known as skidders. Vehicles like wagon, cable skidders etc are now used for skidding logs.
- Hauling: In the final stage, the logs are transported to the mills or factories. River currents are used for transporting the logs downstream. Haulers have to ensure that the logs do not pile up and float swiftly down the river. Haulers are specialised as they have to jump from one log to the other. If they are not alert, then they can get trapped between the logs which can prove to be life threatening.
Posted by Piyush Gwala 7 years, 3 months ago
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Posted by Sidrath Singh 7 years, 3 months ago
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Posted by Jit Mondal 7 years, 3 months ago
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Posted by Legend _Paul 5 years, 8 months ago
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Meghna Thapar 5 years, 6 months ago
Frogs and fish mostly lay their eggs in water,larvae produced by them could flow along with water so to protect their generation they have to lay thousands of eggs at a time while hens lay eggs on land,so they do not need to lay many eggs. Frogs lay so many eggs because as they do not look after their young most do not survive to adulthood. From the three thousand eggs that one female lays, only around five will become adult frog. Frogs laid so many eggs in water to make sure that enough eggs reach to the morality & adulthood
Posted by Kanchan Gurjar 7 years, 3 months ago
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Posted by Kanchan Gurjar 7 years, 3 months ago
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Posted by Rupanzel Sharma 7 years, 3 months ago
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Posted by Yatharth Choudhary 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
Universal Adult Franchise means that every individual above the age of 18 has the right to vote irrespective of his/her religion, caste, class and gender. It is important because all citizens notwithstanding their wealth, status, religion, gender or class should get the right to elect their own government. Universal Adult Franchise is one of the cornerstones of democracy.
Posted by Tushar Singh Rajput 7 years, 3 months ago
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Ankur Tiwari 7 years, 3 months ago
Posted by Ashutosh Raisane 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
Unicellular organisms: When all the vital functions which are necessary for life are performed by a single cell then such cell is called unicellular organism. Some examples of unicellular organisms are Amoeba, Paramecium etc.
Amoeba consists of only one cell; hence it is called as unicellular organism. All the functions of this organism are carried by this single cell.
Posted by Arti Sharma 7 years, 3 months ago
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Posted by Sarabjot Singh 7 years, 3 months ago
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Posted by Neeraj Degda 7 years, 3 months ago
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Arushi Chandurkar 7 years, 3 months ago
Sania Khosh 7 years, 3 months ago
Posted by Mohammed Rayyaan 5 years, 8 months ago
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Posted by Tanu Dubey 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
Dual government was a type of government in which, the British were in charge of collecting revenue meanwhile the Nawabs was in charge of law and order. It was a very unsatisfactory way of governing as neither the British nor the Nawabs had the complete responsibility.
Posted by Divya Sharma 7 years, 3 months ago
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Posted by Harsh Kumar 7 years, 3 months ago
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Adarsh Jawale 7 years, 3 months ago
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Meghna Thapar 5 years, 6 months ago
The Mathura refinery release chemicals like sulphur which rise into the atmosphere, mix with rain and oxygen and cause acid rain which corrodes the marble of Taj Mahal. This causes yellowing of Taj Mahal. That is why, the Mathura refinary has been closed. This sulphur dioxide reacts with water present in the atmosphere to form sulphuric acid. This sulphuric acid formed in the atmosphere reaches the earth surface through acid rain. This acid is posing a great threat to Taj Mahal as it destroys the marble quality and its colour.
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