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Ask QuestionPosted by Priyanshi Kumari 5 years, 9 months ago
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Posted by Priyanshi Kumari 5 years, 9 months ago
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Yogita Ingle 5 years, 9 months ago
Geothermal energy is basically produce from the earth. Temperature below the earth surface is very large compare to other places, It can be happen due to other reason. This heat from earth mantle can be use to produce heat.
Cold water is sent through pipes in the heated area of earth mantle and the water gets heated up due to high temperature. Steam produced from this procedure can be use to rotate turbine which can produce electricity.
Natural geyser is one of it's example.
Posted by Tanvir Sheikh 5 years, 9 months ago
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Yogita Ingle 5 years, 9 months ago
The nutrients which mainly give energy to our body – Carbohydrates and Fats.
Posted by Harshita Kashyap 5 years, 9 months ago
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Rabindra Nath Dakua 5 years, 9 months ago
Suhani Naik 5 years, 9 months ago
Yogita Ingle 5 years, 9 months ago
The gaseous mixture in the atmosphere is called air. It includes oxygen, carbon dioxide and nitrogen. Wind is the horizontal motion of air caused by the pressure difference between two places.
Posted by Uzair Momin 5 years, 9 months ago
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Meghna Thapar 5 years, 9 months ago
- All living organisms eat food to obtain energy to perform various life processes. Thus food acts as a fuel to do work, grow, maintain our body and remain healthy.
Posted by Nk Sharma 5 years, 9 months ago
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Twinkle Garg 5 years, 9 months ago
Meghna Thapar 5 years, 9 months ago
The compass is an instrument to find the directions at a place.
A magnet has always two poles. The two poles of the magnet are near its free ends. One pole of the magnet is called north pole and the other pole of the magnet is called south pole
Posted by Jyoti Singh Suryavansi 5 years, 9 months ago
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Nagendra Kumar 5 years, 9 months ago
Posted by Shivani Kumari 5 years, 9 months ago
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Posted by Aditya Chourasia 5 years, 9 months ago
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Posted by Sewty Thorat 5 years, 9 months ago
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Meghna Thapar 5 years, 9 months ago
- The space around a magnet in which the force of attraction and repulsion caused by the magnet can be detected is called the magnetic field.
- The curved paths along which iron filings arrange themselves due to the force acting on them in the magnetic field of a bar magnet are called magnetic field lines.
Posted by Sewty Thorat 5 years, 9 months ago
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Kamalika Samadder 5 years, 9 months ago
M€Ngu <3 5 years, 9 months ago
Posted by Disha Mittal 5 years, 9 months ago
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Meghna Thapar 5 years, 9 months ago
Measurement means the comparison of an unknown quantity with some known quantity. This fixed quantity is called a unit. If we go to a cloth shop to buy cloth then the shopkeeper measure the cloth by comparing it with a standard unit of length called “metre”. If the measurements of a tailor are not accurate then the stitched clothes may not fit us. This shows the importance of measurement in our daily life.
Moving Things Around Us:
We observe many a things around us. Some of them move like flying birds, butterfly and a mosquito while others do not move on their own like a table, a house, a factory, etc. If something remains at a place after some time and do not change its position then the object is said to be at rest. For example – a table.
If something or an object is not at the same place after some time and changes its position then the object is in motion. Example – the motion of an ant.
If we spread a large sheet of white paper on the ground and keep a little sugar on it, we can see the crawling of ants soon on that piece of sheet. We can observe the different positions where the ants move by marking the positions after small intervals of time.
Posted by Disha Mittal 5 years, 9 months ago
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Arjun Mittal 5 years, 9 months ago
Posted by Sharon Masihi 5 years, 9 months ago
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Meghna Thapar 5 years, 9 months ago
An optical instrument in which reflected light is reflected again is a periscope.
A periscope is a long, tubular device through which a person can see objects that are out of the direct line of sight. A periscope works on the reflection of light from the two plane mirrors arranged parallel to one another.
Posted by Tejas Kumar Singh 5 years, 9 months ago
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Meghna Thapar 5 years, 9 months ago
- The changes in the environment to which the organisms respond and react are called stimuli.
Posted by Chaitanya Rawat 5 years, 9 months ago
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Posted by Parth Gupta 5 years, 9 months ago
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Posted by Mahesh Prajapati 5 years, 9 months ago
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Yogita Ingle 5 years, 9 months ago
Objects which are moving around us are said to be in motion whereas the objects which are not moving are said to be at rest.
- Any change in position with time can be termed as motion.
- A motion can be termed as slow or fast based on the distance it covers in a specific amount of time. More distance covered means the motion is fast and vice versa.
- Motion can be the complete object or the parts within it.
Posted by Alen Krishna 5 years, 9 months ago
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Yogita Ingle 5 years, 9 months ago
- Ashoka the great was the ruler of Mauryan dynasty which was founded by Chandragupta Maurya.
- Ashoka contributed to the art and architecture to a great extent. He built stupas at Sanchi, Bharhut, Sarnath, Deor, Kothar, Butkara etc. He also contributed to the Mahabodhi temple, Nalanda university etc.
- Ashoka was horrified with the violence and bloodshed held in Kalinga war thus he finally decided to give up wars
- Ashoka's Dhamma is an accumulation of good teachings of different religion
- Ashoka did a lot of work for public welfare like dug wells, made rest houses etc. He made provisions for medical facilities and strictly prohibited animal sacrifice
Posted by Kulveersinh Zala 5 years, 9 months ago
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Parth Gupta 5 years, 9 months ago
Komal Mittal 5 years, 9 months ago
Posted by Digvijay Digvijay 5 years, 9 months ago
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Yogita Ingle 5 years, 9 months ago
Cotton ginning is the process of separating the cotton fibres from the cotton seeds. Perfect ginning operation would be performed if the separation of fibers from seed was effected without the slightest injury to either seeds or to the fiber. A cotton gin is a machine that quickly and easily separates the cotton fibers from the seeds, a job previously done by hand. These seeds are either used again to grow more cotton or, if badly damaged, are disposed of. It uses a combination of a wire screen and small wire hooks to pull the cotton through the screen, while brushes continuously remove the loose cotton lint to prevent jams. The term "gin" is an abbreviation for engine, and means "machine".
Posted by Asif Siddiqui 5 years, 9 months ago
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Posted by Asif Siddiqui 5 years, 9 months ago
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Meghna Thapar 5 years, 9 months ago
Snail is a slow moving animal with a shell on its back. Its body is soft and consists of a head, a foot and a shell. Shell is the outer skeleton of snail but it is not made of bones. It contains the internal organs of the snail. The snail has only one foot under its body which is large, flat and disc-shaped, made of strong muscles and is called muscular foot.
Posted by Ranjit Sethia 5 years, 9 months ago
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Posted by Janhavi Satkar 5 years, 9 months ago
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Gaurav Seth 5 years, 9 months ago
If garbage is not removed from our homes and surroundings regularly, our home and surrounding will become dirty. Some of the garbage (like left-over food) will rot giving off foul smell. The rotting garbage will become a breeding ground for disease -causing organisms such as cockroaches, flies and mosquitoes.
Posted by Dhruv Sharma 5 years, 9 months ago
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Suniska Pal 5 years, 9 months ago
Posted by Akash Dass 5 years, 9 months ago
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Meghna Thapar 5 years, 9 months ago
The objects which give out their own light are called luminous objects. Examples – sun, stars, burning candle, lighted torch, etc. A luminous object can be seen because the light given out by it enters our eyes.
The objects which do not give out their own light are called non-luminous objects. Examples – table, chair, trees, flower-pot, a pencil, a car, a wall, card board, a wire mesh, etc. The non-luminous objects can be seen because they reflect light into our eyes.
Posted by Amrita Mishra 5 years, 9 months ago
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Posted by Prince Kumar 5 years, 9 months ago
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Himanshi Rawat 5 years, 9 months ago
Batakrushna Sahoo 5 years, 9 months ago
Posted by Vinita Singh 5 years, 9 months ago
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Meghna Thapar 5 years, 9 months ago
- Herbs are small plants having a soft and delicate stem. Examples – tomato, radish, carrot, wheat, paddy, cabbage, ginger, turnip, etc.
- Shrubs are medium-sized plants with a hard and woody stem, branching out near the base. Examples – rose, jasmine, tulsi, lemon and croton.
- Trees are tall and big plants with hard and thick woody stem. Examples – coconut, teak, palm, sandalwood, neem, mango, etc.
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Yogita Ingle 5 years, 9 months ago
Geothermal energy is basically produce from the earth. Temperature below the earth surface is very large compare to other places, It can be happen due to other reason. This heat from earth mantle can be use to produce heat.
Cold water is sent through pipes in the heated area of earth mantle and the water gets heated up due to high temperature. Steam produced from this procedure can be use to rotate turbine which can produce electricity.
Natural geyser is one of it's example.
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