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Riya Philip 5 years, 7 months ago
Posted by Anoop Kaul 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
Richard Ebright was a multi-faceted and versatile personality. He was not only man with scientific mind, but also had a panache for sports and other-co-curricular activities such as debates, declamations, etc.
His mother encouraged him to take interest in collecting butterflies, rocks, fossils, coins; astronomy, photography, mountaineering, etc.
Since his childhood, he earned top grades in school. At the age of seven he started participating in science fairs. Science attracted him the most; in eighth grade he did an experiment to find the cause of viral disease that killed a large number of monarch butterflies. This experiment won him a prize.
Then he did many experiment such as finding out why Viceroys butterflies resembled monarch butterflies, discovery of an unknown insect hormone, growing cells from a monarch’s wings, discovering the chemical structure of the hormone, and the role of DNA.
In conclusion we can say, Richard Ebright displayed a well-rounded personality that culminated in his brilliance in science.
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Posted by Chandan Kumar 5 years, 7 months ago
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Meghna Thapar 5 years, 7 months ago
In human beings, air is taken into the body through the nostrils, is filtered by fine hairs that line the passage. When air passes through the nasal passage, the dust particles and other impurities present in it are trapped by nasal hair and mucus so that clean air goes into the lungs. From here, the air passes through the throat and into the lungs. Trachea does not collapse even when there is no air in it because it is supported by rings of soft bones called cartilage.
Within the lungs, the passage divides into smaller and smaller tubes which finally terminate in balloon-like structures which are called alveoli. The alveoli provide a surface where the exchange of gases can take place. The walls of the alveoli contain an extensive network of blood-vessels. When we breathe in, the ribs are lift up and the diaphragm flattens which increases the size of the chest cavity. Because of this, air is sucked into the lungs and fills the expanded alveoli.
Posted by Chandan Kumar 5 years, 7 months ago
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Meghna Thapar 5 years, 7 months ago
In human beings, air is taken into the body through the nostrils, is filtered by fine hairs that line the passage. When air passes through the nasal passage, the dust particles and other impurities present in it are trapped by nasal hair and mucus so that clean air goes into the lungs. From here, the air passes through the throat and into the lungs. Trachea does not collapse even when there is no air in it because it is supported by rings of soft bones called cartilage.
Within the lungs, the passage divides into smaller and smaller tubes which finally terminate in balloon-like structures which are called alveoli. The alveoli provide a surface where the exchange of gases can take place. The walls of the alveoli contain an extensive network of blood-vessels. When we breathe in, the ribs are lift up and the diaphragm flattens which increases the size of the chest cavity. Because of this, air is sucked into the lungs and fills the expanded alveoli. The blood brings carbon dioxide from the rest of the body for release into the alveoli, and the oxygen in the alveolar air is taken up by blood in the alveolar blood vessels to be transported to all the cells in the body. During the breathing cycle, when air is taken in and let out, the lungs always contain a residual volume of air so that there is sufficient time for oxygen to be absorbed and for the carbon dioxide to be released.
Posted by Aayushi Srivastava 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
Griffin went to Dury Lane, entering a theatrical store, he wore a long coat, bandages to cover his face and neck, a wide brimmed hat, false whiskers and nose and also dark glasses. He became fully visible. He robbed the owner of the theatrical company and headed towards Oping, a lonely village far from London.
Posted by Rohit Singh 5 years, 7 months ago
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Neha Kakkar ?? 5 years, 7 months ago
Yogita Ingle 5 years, 7 months ago
The two boys in London were surprised and fascinated because they had seen the muddy imprints of a bare footed man but they did not see any man there. Soon the footprints became fainter and fainter and finally disappeared. All this surprised the boys
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Gaurav Seth 5 years, 3 months ago
- Reduce, reuse, and recycle. Cut down on what you throw away. Follow the three "R's" to conserve natural resources and landfill space.
- Volunteer. Volunteer for cleanups in your community. You can get involved in protecting your watershed, too.
- Educate. When you further your own education, you can help others understand the importance and value of our natural resources.
- Conserve water. The less water you use, the less runoff and wastewater that eventually end up in the ocean.
- Choose sustainable.
- Shop wisely. Buy less plastic and bring a reusable shopping bag.
- Use long-lasting light bulbs. Energy efficient light bulbs reduce greenhouse gas emissions. Also flip the light switch off when you leave the room!
- Plant a tree. Trees provide food and oxygen. They help save energy, clean the air, and help combat climate change.
- Don't send chemicals into our waterways. Choose non-toxic chemicals in the home and office.
- Bike more. Drive less.
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Yogita Ingle 5 years, 7 months ago
The period between 1830 and 1848 was marked by a lot of tensions and turmoil in Europe. Europe had witnessed the dramatic rise of two philosophies, liberalism and conservatism. The liberal nationalists or the educated middle class planned ways to overthrow monarchy and bring in a government of the people. Europe hence saw a series of revolutions in Italy, Germany, Poland, Turkey and Ireland.
In 1821 in the Greek war of independence, the Greeks began a nationalist movement. Several poets (Lord Byron) and artists supported the Greek war against the Ottoman Empire. After the war, the Treaty of Constantinople was signed in 1832 and recognized Greece as an independent nation.
In 1830 the Bourbon dynasty, restored in 1815 during the conservatives’ reaction, was overthrown by liberal revolutionaries. The French revolution of 1830 is also known as the July Revolution.
In the 19th century, art, culture and literature helped in instilling the feeling of nationalism and also infusing the idea of a nation. After the French revolution, there was rise of a literary and cultural movement called romanticism, which sought to develop nationalist sentiment. This national sentiment was mobilised by artists by using the common language, or vernacular, and popular folk arts that people understood and identified with.
Writers, poets, painters and musicians of the romantic era stressed on individualism, nationalism, feeling, imagination and emotion as opposed to reason and science.
Posted by Satyam Lodhi Rajput 5 years, 7 months ago
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Shivani Pandey 5 years, 7 months ago
Posted by Satyam Lodhi Rajput 5 years, 7 months ago
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Shivani Pandey 5 years, 7 months ago
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