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Ask QuestionPosted by Elamozhi Bommi 5 years, 3 months ago
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Anishka Chaturvedi 5 years, 3 months ago
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Kulwant Mangat 5 years, 3 months ago
Meghna Thapar 5 years, 3 months ago
Sheep shearing is the process by which the woollen fleece of a sheep is cut off. The person who removes the sheep's wool is called a shearer.
Shearing: The process of removing hair from the body of a sheep in the form of fleece is called shearing. Usually the hairs are removed during the hot weather which enables sheep to survive without their protective coat of hair. The hair provides woolen fibres and than are processed to obtain woolen yarn. Shearing does not hurt the sheep as the upper most layer of skin is dead.
Posted by Abhijeet Kumar Singh 5 years, 3 months ago
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Meghna Thapar 5 years, 3 months ago
Caesium, the most reactive metal in the periodic table, reacts extremely violently – hence why it can't be demonstrated in a classroom! This can be compared to other common metals, such as iron and copper, which produce no reaction when dropped into water.
Posted by Nidhi Verma 5 years, 3 months ago
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Meghna Thapar 5 years, 3 months ago
A chemical equation can be balanced or unbalanced.
A balanced chemical equation has an equal number of atoms of different elements in the reactants and products. It has equal masses of various elements in the reactants and products.
An unbalanced chemical equation has unequal number of atoms of one or more elements in the reactants and products. It has unequal masses of various elements in the reactants and products.
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Posted by Priyanshi Gera 5 years, 4 months ago
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Gaurav Seth 5 years, 4 months ago
Shearing
The hair of sheep along with a thin layer of skin (called fleece) are removed from the body of sheep. The process of removing hair (or cutting off hair) from the body of a sheep in the form of fleece is called shearing. The hair of sheep are cut off by using a cutting machine.
Shearing does not hurt the sheep because the uppermost layer of the skin of sheep is “dead. The shearing (cutting the hair) of sheep is done in the hot weather of summer so that sheep may survive without their protective coat of hair. The hair of sheep grow again before the onset of winter and protect them in cold weather. The fleece (or hair) of sheep provide woollen fibres. Woollen fibres are then processed to obtain woollen yarn.
Posted by Snigdha Puri 5 years, 4 months ago
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Arnav Jadon 5 years, 3 months ago
Gaurav Seth 5 years, 4 months ago
Mg(OH)2
Magnesium hydroxide/Formula
Magnesium hydroxide is the inorganic compound with the chemical formula Mg(OH)2. It occurs in nature as the mineral brucite. It is a white solid with low solubility in water (Ksp = 5.61×10−12). Magnesium hydroxide is a common component of antacids, such as milk of magnesia, as well as laxatives.
Posted by Yayashva 7A 5 years, 4 months ago
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Sehbaj Brar 5 years, 3 months ago
Posted by Satyam Raj 5 years, 4 months ago
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Gaurav Seth 5 years, 4 months ago
A plant (or animal) which lives on or inside another organism (called host) and derives the food from it, is called a parasite.
Those non-green plants which obtain their food from the living bodies of other plants (or animals) are called plant parasites.
The living organism (from whose body food is obtained) is called ‘host’ of the parasite.
The parasite plants climb on the host plants from which they get all the food.
A parasite plant produces certain special type of roots (called sucking roots) which penetrate into the host plant. The parasite sucks the food materials from the host through these special roots.
For example : Cuscutta. It is called Amarbel in Hindi. Cuscutta plant is a yellow, tubular structure twining around the stem and branches of a tree. The tree on which Cuscutta plant climbs is called its host. Since Cuscuta plant does not have the green pigment called chlorophyll, it cannot synthesise its own food. Cuscuta plant takes readymade food from the tree (or plant) on which it climbs. Since Cuscuta plant deprives the host tree of valuable nutrients, it is called a parasite.
<center> </center>Examples of plant parasites are Mistletoe, Wheat rust and Corn smut.
Posted by Satyam Raj 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
At several places, such as desert, polar region, etc. climate is very harsh. Many organisms live and thrive at these places, in spite of the harsh climate. Animals and plants; living in such places; develop certain features which help them survive the harsh climate. To develop certain features in order to survive the given climate is called adaptation.
Posted by Komal Kumari 5 years, 4 months ago
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Sehbaj Brar 5 years, 3 months ago
Garima Randhawa 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
Food is any edible, nutritous substance consumed by humans and other animals to get energy.
Importance of food for living organisms:
1) Helps in growth of living beings
2) Helps in repair and replacement of damaged parts of the body
3) Provides energy required for various activities
4) Provides protection from infections and diseases
5) Helps in overall growth and development of an organism
Posted by Shivam Chauhan 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
A chemical change produces a new substance. The changes are permanent and mostly irreversible. Also, it involves absorption or release of energy in the form of heat or light.
Posted by Sneha Prasad 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
Production process. The process of silk production is known as sericulture. ... Extracting raw silk starts by cultivating the silkworms on mulberry leaves. Once the worms start pupating in their cocoons, these are dissolved in boiling water in order for individual long fibres to be extracted and fed into the spinning reel.
Step1: Separation of the silk fibre from the cocoon. For this, it is need to be exposed to warmth.
Piles of cocoons are kept under the sun, boiled or exposed to steam. The warmth causes the silk fibre to separate from the rest of the cocoon.
Step2: Reeling the silk, which is the process of delicately unwinding the fibre from the cocoon. Reeling is also done in special machines.
Step3: The silk thread is then bleached and dyed into many shades.
Posted by Mohit Rajpurohit 5 years, 4 months ago
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Akeel Ahmad 5 years, 4 months ago
Kanchi Singh 5 years, 4 months ago
Yogita Ingle 5 years, 4 months ago
Food is one of the basic components of our life. It helps to provide all the basic vital nutrients like proteins, vitamins, carbohydrates, fats, and minerals to our body. All nutrients provide energy to our body. When our body gets energy for the metabolism in our body and our body functions in a proper manner.
Shrushti Gupta 5 years, 4 months ago
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Elamozhi Bommi 5 years, 3 months ago
1Thank You