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Ask QuestionPosted by Bhuvana Shree 6 years, 9 months ago
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Posted by Piyush Kumar 6 years, 9 months ago
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Aryan Raj 6 years, 9 months ago
Posted by Mukesh Gupta 6 years, 9 months ago
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Meghna Thapar 6 years ago
We see a large variety of natural and synthetic objects around us. The objects need to be classified into groups to understand them better. The advantages of classifying objects are:
- Classification of objects makes it easier to locate them and work with them.
- It helps to understand the properties of various objects.
Posted by Ritesh Kumar 6 years, 9 months ago
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Posted by Ahan Khan 6 years, 9 months ago
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Geeta Singh 6 years, 9 months ago
Yogita Ingle 6 years, 9 months ago
Cotton is obtained from the fruit of the cotton plant.
Jute is obtained from the stem of the jute plant.
Posted by Vijay Laxmi 6 years, 9 months ago
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Vijay Laxmi 6 years, 9 months ago
Posted by Rudrani Pathak 6 years, 9 months ago
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Geeta Singh 6 years, 9 months ago
Posted by Tanmay Shrangare 6 years, 9 months ago
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Yogita Ingle 6 years, 9 months ago
A root node is either the topmost or the bottom node in a tree data structure, depending on how the tree is represented visually.
The root node may be considered the top if the visual representation is top-down or the bottom if it is bottom-up. The analogy is that the tree starts at the roots and then goes up to its crown, so the first node is considered the root.
Posted by Kriday Charran 6 years, 9 months ago
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Yogita Ingle 6 years, 9 months ago
Filtration: Filtration is a process by which insoluble solids can be removed from a liquid by using a filter paper.
A filter paper is a special type of paper which has pores that are tiny enough to let only liquids pass through it. If you pass a solution through filter paper, any undissolved solid particles will get left behind on the paper whereas the liquid will filter through.
The liquid that passes through is called the filtrate and the undissolved solid particles are called residue.
Example: A mixture of chalk powder and water can be separated by this method.
Posted by Khushbu Shoeran 6 years, 9 months ago
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Yogita Ingle 6 years, 9 months ago
- Milk is known for its richness in calcium and thus its importance for your bones.
- Milk contains protein, carbohydrates, vitamins, minerals and fat.
- Protein is important to fight diseases, reAnew cells, build muscles and maintain healthy hair and nails.
Posted by Sunil Jaat 6 years, 9 months ago
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Posted by Tina Jaspal 6 years, 9 months ago
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Yogita Ingle 6 years, 9 months ago
- Take a small quantity of the soya items to be tested.
- Grind/mash/paste/powder the soya item.
- Put the soya into a test tube.
- Add 10 drops of water and shake the test tube.
- Using a dropper add two drops of copper sulphate solution to the test tube.
- Add 10 drops of caustic soda solution and shake the test tube.
- Observe the colour of the mixture.
- Violet colour indicates the presence of proteins in the tested food item.
Posted by Ankit Kumar Singh 6 years, 9 months ago
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Yogita Ingle 6 years, 9 months ago
Height of the person = 1.65 m
1 m = 100 cm
1.65 m = 100 × 1.65 = 165 cm
Hence, the height of the person is 165 cm.
Again, 1 m = 100 cm = 1000 mm
Therefore, 1.65 m = 1.65 × 10 = 1650 mm
Hence, the height of the person is 1650 mm.
Posted by Devendrasingh Saini 5 years, 10 months ago
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Posted by Tamisha Parasar 6 years, 9 months ago
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Yogita Ingle 6 years, 9 months ago
- Food is a fuel to our body, without food we cannot perform any physical and mental act.
- Have you ever realize even a day without food? Billions of people in India, Bangladesh, Africa and many other countries were still starving.
- Loss and wastage occurs in all steps in the food supply chain. In developing countries like India, Bangladesh, most loss occurs during production, while in developed countries like USA, European countries much food is wasted at the consumption stage.
- In 2013, we disposed more than 35 million tons of food waste.
- Wastage of food also cause load on agriculture to produce more amount of food.
Posted by Vandana Gambhir 6 years, 9 months ago
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Posted by Adarsh Patil 6 years, 9 months ago
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Aryan Raj 6 years, 9 months ago
Posted by Rashi Lakha 6 years, 9 months ago
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Yogita Ingle 6 years, 9 months ago
History of Clothing Material
- In ancient times, people used big leaves of trees, barks of trees, animal skin etc to cover their body.
- When man began to settle down in communities, he began to tie together twigs, grass, leaves, animal skin/fur etc into mats and clothes. They simply draped these fabric around their body because they didn't know stitching.
- Later, when needle was invented, people started stitching these fabric into different shapes to suit their body and thus clothes evolved.
- Now, as we know the we have a variety of clothing choices for both men and women. They are very varied in choices, colours, design etc. Infact, we have moved from simple clothing to 'fashionable' clothing.
Posted by Thiruselvam Selvam 6 years, 9 months ago
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Geeta Singh 6 years, 9 months ago
Ankur Varshney 6 years, 9 months ago
Yogita Ingle 6 years, 9 months ago
The substances which we can eat.
Some plants have two or more edible (eatable) parts. Seeds of mustard plants give us oil and the leaves are used as a vegetable
Posted by Thiruselvam Selvam 6 years, 9 months ago
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Deepak Saluja 6 years, 9 months ago
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Arun Hambarde 6 years, 9 months ago
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Posted by Tanuj Yadav 6 years, 9 months ago
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Yogita Ingle 6 years, 9 months ago
We should eat cooked food because by cooking we can kill harmful germs and make it germless. Cooked food can be easily digested and absorbed by our body. Cooking also improves the taste of food.
Posted by Savdas Savdas Chavda 6 years, 9 months ago
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Deepak Saluja 6 years, 9 months ago
Yogita Ingle 6 years, 9 months ago
It is the most important constituent of food. It is essential for life. The human body contains about 70% of water by weight.
• Water is needed by our body to transport digested food to the body cells and chemicals such as hormones around the body.
• Water is needed by our body to get rid of waste products from the body and to control and regulate the temperature of the body.
• Water also dissolves waste products of the body so that they can be removed through urine and sweat (passing).
• We get most of the water that our body needs by drinking water, milk, tea, coffee and juice.
Posted by Shreya Singh 6 years, 9 months ago
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Yogita Ingle 6 years, 9 months ago
- Water transport soluble food materials to the cells present in the organism.
- Water carries oxygenated red blood cells to the tissues of organisms.
- It brings carbon dioxide produced during respiration to the lungs where it is excreted out.
- It carries different waste materials produced within body during various life process and are excreted out by various process.
- Water regulates our body temperature. When the climate is too hot, we sweat a lot. The warm water in the sweat takes away large amount of heat from our body.
- Water is essential for the growth of plants. Plants require water for the process photosynthesis. Plants utilize water and carbon dioxide in the presence of sunlight and chlorophyll to produce starch and oxygen.
- Germination of seeds takes place in the presence of water.
Pinak Makwana 6 years, 9 months ago
Posted by Priyanka Sharma 6 years, 9 months ago
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Yogita Ingle 6 years, 9 months ago
Vitamin D deficiency can lead to a loss of bone density (size and strength), broken bones (fractures), muscle weakness, and the bone-thinning disease osteoporosis.
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