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Posted by Juli Mohamty 6 years, 7 months ago
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Suhani Mago 6 years, 7 months ago
Sk Md Sain 6 years, 7 months ago
Yogita Ingle 6 years, 7 months ago
Winnowing is the process of separation of the heavier components from the lighter components of a mixture by wind or by blowing air.
It is generally used by farmers to separate the lighter impurities such as husk particles from the heavier grains.
Posted by Juli Mohamty 6 years, 7 months ago
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Barbie Ananya Lohani 6 years, 7 months ago
Palguna Rao 6 years, 7 months ago
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Suhani Mago 6 years, 7 months ago
Posted by Arun Hambarde 6 years, 7 months ago
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Yogita Ingle 6 years, 6 months ago
Probiotics are beneficial components of the microbiota that have been used for centuries because of the health benefits they confer to the host.
Posted by Adarsh Dubey 6 years, 7 months ago
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Sia ? 6 years, 7 months ago
The process of making yarn from fibres is called spinning. In this process, fibres from a mass of cotton wool are drawn out and twisted. This brings the fibres together to form yarn.
A simple device used for spinning is a hand spindle also called takli.
Another hand operated device used for spinning is charkha.
Spinning of yarn on a large scale is done with the help of spinning machines.
Posted by Athrav Bhagwat 6 years, 7 months ago
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Sia ? 6 years, 7 months ago
Posted by Shyamamadhu Madhu 6 years, 7 months ago
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Sia ? 6 years, 7 months ago
The cotton wool is obtained from cotton plants. The cotton plants are grown in fields. They are usually grown at the places having black soil and warm climate.
The fruits of the cotton plants called cotton bolls are about the size of lemons. After maturing, the bolls burst open and seeds covered with cotton fibres can be seen. From the cotton bolls cotton is picked by hands. Fibres are then separated from the seeds by combing. This process is called ginning of cotton. It is done by hand or by machines. These fibres are then converted into yarn.
Posted by Uaha Usha 6 years, 7 months ago
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Meghna Thapar 6 years ago
Fibres are converted to yarn by the process of spinning. In this process, fibres from a mass of cotton (wool or silk, etc.) are drawn out and twisted to form long and twisted thread called yarn.
Posted by Harshul Patil 6 years, 7 months ago
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Sia ? 6 years, 7 months ago
Opaque is material in which we are not able to be see through or not transparent.
Posted by Nk Sharma 6 years, 7 months ago
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Sia ? 6 years, 7 months ago
- Light : the natural agent that stimulates sight and makes things visible.
- Opaque Object :If we cannot see through an object at all, it is an opaque object.
- Transparent : If you are able to see clearly through an object, it is allowing light to pass through it and is transparent.
- Translucent : There are some objects through which we can see, but not very clearly. Such objects are known as translucent.
- Shadow : Shadows are formed when an opaque object comes in the path of light.
- Reflection : We all use mirrors at home. You look into the mirror and see your own face inside the mirror. What you see is a reflection
Posted by Fahdah M H 6 years, 7 months ago
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Meghna Thapar 6 years ago
The condition caused when more of fat rich food is consumed in a diet is called obesity.
Posted by Prapti Saha 6 years, 7 months ago
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Posted by Prapti Saha 6 years, 7 months ago
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Meghna Thapar 6 years ago
All carbohydrates provide energy to our body so we should include carbohydrates in our diet. Fats provide twice as much energy as that provided by the same amount of carbohydrates. Both carbohydrates and fats are considered as ‘energy giving foods’.
Posted by Surendra Shukla 6 years, 7 months ago
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Sia ? 6 years, 7 months ago
We can purify the muddy water by loading. Firstly, we take a beaker (100 ml) half filled with a sample of muddy water. Now take a piece of alum (phitkari) and a thread (about 30 cm in length). Tie firmly one end of the thread with alum and hold the other end of the thread with hand.
Now dip the alum in the water and move it slowly in a circular path for about one minute. Remove the alum and keep the beaker undisturbed for some time. During this process we will find that the dust particles get loaded and become heavier and settle down at the bottom of the beaker quite rapidly. When all the dust particles settle down, the water becomes clear. The clear water is then decanted into another beaker.
Posted by Asha Gadhe 6 years, 7 months ago
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Posted by Boopalanp Ponraj 6 years, 7 months ago
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Meghna Thapar 6 years ago
Fibres are converted to yarn by the process of spinning. In this process, fibres from a mass of cotton (wool or silk, etc.) are drawn out and twisted to form long and twisted thread called yarn.
Three types of devices are used for making yarn from fibres – hand spindle, spinning wheel and spinning machine.
A simple device used for spinning cotton and making yarn is hand spindle, called takli in Hindi. Spinning wheel (charkha in Hindi) is also used for spinning cotton. Spinning of yarn on a large scale is done by using spinning machines in mills.
Posted by Prapti Saha 6 years, 7 months ago
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An object floats when the weight force on the object is balanced by the upward push of the water on the object. If the weight force down is larger than the upward push of the water on the object then the object will sink. If the reverse is true then the object will rise – rising is the opposite of sinking.
Posted by Balaji Solanke 6 years, 7 months ago
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Sia ? 6 years, 7 months ago
Fruits and vegetable provides us a lot of water with vitamins, minerals and roughage, and some carbohydrates and proteins as as very little fat. So, we should eat more fruits and vegetables.
Posted by Harish Tamil 6 years, 7 months ago
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Posted by Laxmi Chaudhary 6 years, 7 months ago
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Posted by Keshav Chhaperwal 6 years, 7 months ago
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Sia ? 6 years, 7 months ago
The two main functions of carbohydrates in the body are to provide energy for all cells and spare the use of protein from the muscles and organs.
Posted by Komal Lakhani 6 years, 7 months ago
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Yogita Ingle 6 years, 7 months ago
Foods that contain large amount of antioxidants that make free radicals harmless are called protective foods. Foods rich in vitamins and minerals are referred to as protective foods as they provide immunity and protect our body from various diseases and infections. All fruits and vegetables as well as dairy products are examples of protective foods.
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Sruthi Ds 6 years, 6 months ago
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