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Posted by Dvdillibabu Dvdillibabu 5 years, 7 months ago
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Meghna Thapar 5 years, 6 months ago
Processing fibres into wool:
The wool which is used for knitting sweaters and weaving shawls involves following steps:
- 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.
- Scouring: The process of washing the fleece that removes dust, dirt, dried sweat and grease is called scouring. This process makes the fleece of sheep clean. The scoured fleece is then dried.
- Sorting: The process of separating the fleece of a sheep into sections according to the quality of woolen fibres is called sorting. The hairy skin is sent to a factory where hair of different textures is sorted. The same quality wool obtained from the fleece of large number of sheep is than mixed together.
- Dyeing: The hair of sheep is white, brown, or black in color. The white woolen fibres obtained by sorting can be dyed in different colors.
- Combing: This is a process of preparing woolen fibres for spinning the yarn. It is done by using combs having metal teeth.
Posted by Megha Negi 4 years, 7 months ago
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Naitri Makhecha Makhecha 5 years, 7 months ago
Yogita Ingle 5 years, 7 months ago
-8+(-2)×(-8)×(-1)
= -8+(-2) × 8
= -8+(-16)
= 8 - 16
= -8
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Yogita Ingle 5 years, 7 months ago
- The atmosphere acts as a blanket by trapping terrestrial radiation and keeping the warm. It ensures that there is the correct amount of heat required for life to exist.
- The atmosphere blocks harmful ultra-violet radiations to reach Earth.
- The atmosphere contains oxygen, the gas living beings need to breathe to stay alive.
- The moisture it contains is an essential part of the water cycle.
- Green plants need the carbon dioxide present in the atmosphere for making food.
- Nitrogen is required for the fertility of soil and is vital for plants.
Posted by Raj Kumar 5 years, 7 months ago
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Sanjana Saindane 5 years, 7 months ago
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Deepali Chauhan 5 years, 7 months ago
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Posted by Divyansh Sharma 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
18× [7+(-3)]=18× (4)= 72 ......... (i)
[18×7]+[18×(-3)] = 126 + (-54)= 72......... (ii)
From (i) and (II)
18× [7+(-3)] =[18×7]+[18×(-3)]
Posted by Sanjay Chauhan 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
The gallbladder is a pear-shaped, hollow structure located under the liver and on the right side of the abdomen. The liver secretes bile juice which is stored in a sac called the gallbladder. Bile juice helps in the digestion of fats.
Posted by Sanjay Chauhan 5 years, 7 months ago
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Sanjana Saindane 5 years, 7 months ago
Yogita Ingle 5 years, 7 months ago
Ingestion: The intake of food is called ingestion. Method of ingestion, i.e. taking of food, varies from one animal to another.
Ingestion
- Ingestion refers to the intake of food
- Ingestion takes place through Mouth
Posted by Sanjay Chauhan 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
Villi are finger-like outgrowths on the inner walls of small intestine. The villi increase the surface area for absorption of the digested food. Each villus has a network of thin and small blood vessels close to its surface. The surface of the villi absorbs the digested food materials. The absorbed substances are transported via the blood vessels to different organs of the body.
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Posted by Jyoti Kumari 5 years, 7 months ago
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Yogita Ingle 5 years, 7 months ago
Functions of Opposition party
(1) To check the government from becoming authoritarian and to restrict its powers, the opposition parties keep a watch over them.
(2) The main duty of the opposition party is to criticize the policies of the government.
(3) Outside the legislature the opposition parties attract the attention of the press and report their criticism of the government policy in the news papers.
(4) The opposition parties have the right to check the expenditure of the government also.
(5) During the question hour, the opposition parties criticism the government generally
Posted by Md Ali 5 years, 7 months ago
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Vansh Vashist Sharma 5 years, 7 months ago
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