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Ask QuestionPosted by Shridher Shridher 7 years, 3 months ago
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Meghna Thapar 5 years, 5 months ago
Birds are a group of warm-blooded vertebrates constituting the class Aves, characterized by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton. They can fly.
7 Characteristics of birds
- Feathers.
- Wings.
- lightweight, rigid skeleton.
- Endothermic metabolism.
- unique respiratory system.
- beak.
- oviparity.
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Subhashree Tripathy 7 years, 3 months ago
Lalin Kumar 7 years, 4 months ago
Posted by Divyanshi Gupta 7 years, 4 months ago
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Meghna Thapar 5 years, 5 months ago
Chennai's weather condition is hot and humid which is suitable for AC than Cooler. But as an option for the second room, Cooler can be considered. Also since it is portable, we can use it in any room as per the requirement. The Chennai is situated in the coastal areas of our country and that's why the allover temperature remains normal in the summer seasons also. Because,the cool breeze which comes from the ocean region , works as a coolant substance and the temperature remains normal even in the summer months.
Posted by Nidhi Sharma 7 years, 4 months ago
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Posted by Sangita Acharjee 7 years, 4 months ago
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Deepika Praveen 7 years, 4 months ago
If the Earth was actually flat, an enormous number of things that we take granted every day would not work.
- Gravity would not work
- If the flat earth was orbiting the sun like how the round earth does, then all parts of the earth receives the sunlight, provided the flat earth is slightly inclined to receive light. So, it will be day all the time.
- If the sun and moon were orbiting on top of the flat earth disc and if the sun were to act as a spotlight, then the area under the spotlight would be 'day' and rest all 'night'
Posted by Beea Bisht 7 years, 4 months ago
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Aashis Kumar 7 years, 4 months ago
Posted by Sangita Acharjee 7 years, 4 months ago
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Yogita Ingle 7 years, 4 months ago
An astronaut is a person who is specially trained to travel into outer space. Astronauts have special gear called a spacesuit that they use when they must leave the safety of their spacecraft. These spacesuits provide them with air, protect them from the extreme temperatures of space, and protect them from the radiation of the Sun. Sometimes the spacesuits are tethered to the spacecraft so the astronaut won't float away. Other times the spacesuit is equipped with small rocket thrusters to allow the astronaut to navigate around the spacecraft.
Posted by Vrushali Mohare 5 years, 8 months ago
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Meghna Thapar 5 years, 5 months ago
A bird's tail is a wonderful tool with many different functions. A bird can fly perfectly competently without a tail, but a tail-less bird does kind of lack in 'finesse'. This is because the tail provides it with a rudder and a brake. If a bird's tail feathers are pulled out, they will quickly grow back in. Many adult birds adapt quite readily to flying without their tail feathers. If the tail feathers are broken or frayed, new ones will not grow back in until the bird molts.
Posted by Neethu Anil Neethu Anil 7 years, 4 months ago
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Yogita Ingle 7 years, 4 months ago
Means of Communication in Ancient age : In ancient age pigeons were used for sending letters. This was the slow and unreliable mean of communication. Horsemen were also used for sending royal messages in early ages.
Means of communication in Modern age:
Telephone and Mobiles :Telephones and mobiles are most commonly used means of communication.
Letters: Letters are most common means of communication. Postcards, inland letters, envelops, postage stamps, etc., are used for writing letters.
News Paper and Magazines: Newspapers are used to carry news of all that is happening all over the world. The news paper and magazines are printed in different languages.
Internet: In modern age, Internet is very cheap and reliable mean of not only for communication but also useful for employment and education.
Posted by Sangita Acharjee 7 years, 4 months ago
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Nisha Birdi 7 years, 4 months ago
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Posted by Sushma Karkhanis 7 years, 4 months ago
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Yogita Ingle 7 years, 4 months ago
Plants are very useful to us and we get most of our food from plants. Plants give us vegetables, fruits, cereals and pulses. Plants also give us coffee, tea, sugar, oil and spices. We get food from different parts of plants. We eat roots, leaves, stems, flowers and fruits of plants.
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Anirudh Dabas 7 years, 5 months ago
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Meghna Thapar 5 years, 5 months ago
Herbs are non-woody plants with green and tender stem. They are small in size and have a short life-span. They do not have branches and may live for one or two seasons. Examples – tomato, radish, carrot, wheat, paddy, cabbage, ginger, turnip, etc.
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