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Ask QuestionPosted by Aditya Sonkar 7 years, 5 months ago
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Ramneet Kang 7 years, 5 months ago
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Yogita Ingle 7 years, 5 months ago
Light is a form of energy which helps us in seeing objects. When light falls on an object, some of the light gets reflected. The reflected light comes to our eyes and we are able to see an object. Light always travels in a straight line.
Posted by Soumyashree Pati 7 years, 5 months ago
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Ramneet Kang 7 years, 5 months ago
Posted by Debjit Parida 7 years, 5 months ago
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Sandeep Kumar 7 years, 5 months ago
some religious matter or in hindi we can say as रीति रिवाज
Posted by Debjit Parida 7 years, 5 months ago
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Posted by Veekundal Sharma 7 years, 5 months ago
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Yogita Ingle 7 years, 5 months ago
The main components of foods are carbohydrates, protein, fats, vitamins and minerals. These are called nutrients.
Carbohydrates: Carbohydrates are also called energy giving food. It is the main sources of energy. It is made up of carbon, hydrogen, and oxygen.
Protein: Protein helps in body growth and repairs the tissues so it is also called body building food. We get protein from milk, eggs, meat, fish and all kinds of pulse. Protein molecule is made of a large number of smaller molecules called amino acid. The daily requirement of protein for adults is 1 gram per kilogram of the body weight. When the body is building new tissue, more proteins are required, so growing children and pregnant lady need more protein.
Fat: Fats are made up of carbon, hydrogen and oxygen. Butter, ghee, milk, egg-yolk, nuts and cooking oils are the major sources of fat in our food. An adult needs about 35 g fat everyday. Our body stores the excess energy in the form of fat. This stored fat is used by the body for producing energy as and when required so fat is considered as energy bank in our body.
Vitamins: Vitamins are complex organic compounds which are essential for the growth and maintenance of our body. It does not provide energy. Our body requires vitamins A, C, D, E, K and B-complex.
Minerals: Minerals are required by our body in very small quantities. Iron, Iodine, calcium, phosphorus, sodium and potassium are common minerals. The sources of these animals are plants and animals.
Posted by Laxmi Kumari 7 years, 5 months ago
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Sandeep Kumar 7 years, 5 months ago
A balanced diet which consists of all the nutrients present in the right propotion
Yogita Ingle 7 years, 5 months ago
A material which is available in the form of thin and continuous strand is called fibre.
Types of Fibre
Natural fibers: The fibers which are obtained from plants and animals are called natural fibers. Examples: cotton, jute, silk, wool.
Plant Fibre: Cotton and jute are plant fibre.
Animal fibre: Silk and wool are animal fibre.
Synthetic fibre: The fibre which are synthesized in industry from simple chemicals obtained from petroleum are called synthetic fibre. Examples: Nylon, Acrylic, Polyester
Posted by Inderpreet Kaur 7 years, 5 months ago
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Drishti Pannu 7 years, 5 months ago
Posted by Aditya Soni 7 years, 5 months ago
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Yogita Ingle 7 years, 5 months ago
Vertebral column running at the back of the body is also called as spine or the backbone. It is in the trunk region to offer support to the upper part of the body. Vertebrae are joined by gliding joints which offer spring movement to the backbone.
Posted by Mahaling Tattimani 7 years, 5 months ago
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Drishti Pannu 7 years, 5 months ago
Mahaling Tattimani 7 years, 5 months ago
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Posted by Ruchi Sharma 7 years, 5 months ago
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Meghna Thapar 5 years, 11 months ago
Einstein's most famous equation, E = mc2, falls into that category, stating that the energy content of a massive body is equal to that object's mass times the speed of light squared.
Posted by Pari Gupta 7 years, 5 months ago
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Pari Gupta 7 years, 5 months ago
Posted by Soumil Rana 7 years, 5 months ago
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Yogita Ingle 7 years, 5 months ago
Magnetism was discovered about 4000 years back in ancient Greece.
Posted by Rahul Kumar 7 years, 5 months ago
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Lucky Raj 7 years, 5 months ago
Neha Choudhary 7 years, 5 months ago
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Mahak Mahajan 7 years, 5 months ago
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Sneha A. 7 years, 5 months ago
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Sneha A. 7 years, 5 months ago
2Thank You