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Kavyanshi Choudhary 7 years ago
Posted by Akankshya Nayak 7 years ago
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Kavyanshi Choudhary 7 years ago
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Arya Patel 7 years ago
Posted by Akankshya Nayak 7 years ago
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Arya Patel 7 years ago
Dîby@Jït D@S 4&4 7 years ago
Posted by Akankshya Nayak 7 years ago
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Rishav Shaw 6 years, 11 months ago
Posted by Akankshya Nayak 7 years ago
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Posted by Akankshya Nayak 7 years ago
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Riya Pandey 7 years ago
Posted by Akankshya Nayak 7 years ago
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Dîby@Jït D@S 4&4 7 years ago
Posted by Akankshya Nayak 7 years ago
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Posted by Akankshya Nayak 7 years ago
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Shreya Mittal 6 years, 11 months ago
Posted by Akankshya Nayak 7 years ago
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Meghna Thapar 5 years, 10 months ago
The branching part of the tree above the stem is called its crown. It is formed of branches and leaves. These crowns are of different types and sizes and form horizontal layers in the forests. The trees that are not as tall as canopy trees, form different layers or tiers under the canopy are called understoreys.
Posted by Akankshya Nayak 7 years ago
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Yogita Ingle 6 years, 11 months ago
- Decomposers are micro-organisms that convert the dead plants and animals to humus.
- Bacteria and fungi are the two types of decomposers.
- They help in the process of recycling of nutrients by decomposing various dead organisms such as plants and animals to form humus.
- Eg: Vultures, bacteria in the soil.
Posted by Akankshya Nayak 7 years ago
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Posted by Akankshya Nayak 7 years ago
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Arya Patel 7 years ago
Posted by Akankshya Nayak 7 years ago
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Yogita Ingle 6 years, 11 months ago
Sludge is the collected solid waste from the wastewater during the treatment in water treatment plant. Sludge is decomposed in a separate tank by the anaerobic bacteria. Activated sludge is used as manure.
Posted by Akankshya Nayak 7 years ago
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Posted by Ruhan Railiwale 7 years ago
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Arya Patel 7 years ago
Posted by Shivam Dudeja 7 years ago
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Yogita Ingle 7 years ago
Anomalous expansion of water: water has a unique property of anomalous expansion. When water is cooled from room temperature it first contracts in volume and becomes increasingly dense as do other liquids, but at 4° C water reaches its maximum density. On further cooling it starts expanding and become less dense. This will be continued till the temperature reaches 0°C, the point at which it freezes into ice.
This unusual property of water enables marine life to exist in the polar region where temperature falls below freezing temperature. The outer layer of water becomes ice and floats over the water. As the water has highest density at 4°C sinks down and keeps its aquatic life in safest position.
Posted by B K Singh Patel 7 years ago
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Yogita Ingle 7 years ago
A bulb will obviously glow when it is connected to a circuit and the circuit is closed . Generally , an electric bulb has a thin filamemt made of tungsten which glows and emits light .
In other words, the filament of the bulb offers resistance to the passage of current . The electric work is done, and hence, the electrical energy changes into heat and light energy .
Posted by Kanika Main Budyan 7 years ago
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Arya Patel 7 years ago
Rishi Raj 7 years ago
Dîby@Jït D@S 4&4 7 years ago
Yogita Ingle 7 years ago
Blood is considered to be a specialized tissue. Within it, there are over 4,000 different components. However, four main components carry out many of its basic functions. Everyone produces these components in the same way, and they carry out the same functions for each person.
The main four components of blood are:
- Red blood cells
- White blood cells
- Plasma
- Platelets
Posted by Gouri Sharma 7 years ago
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Dîby@Jït D@S 4&4 7 years ago
Posted by Jaanhavi Dubey 7 years ago
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Meghna Thapar 5 years, 6 months ago
Parasitic flatworms have hooks on their mouths that allow them to securely attach to their hosts. Since the worms are eating the food the host has digested, these flatworms do not have the digestive and nervous system development necessary for them to be free-living. There is only one opening of the alimentary canal, which is the mouth; through this food is taken in and undigested matter is passed out.
Posted by Ruhan Railiwale 5 years, 9 months ago
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Himani ?? 7 years ago
Posted by Akshrik Keshari 7 years ago
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Yogita Ingle 7 years ago
(a) Electric heater and water heater , Electric fuse, Electric iron
(b)
- Electro magnets are used in electric bell, loud speakers, electric motors, telephone diaphragms, electric fan and for sorting scrap metal and for extraction in hospitals
- Giant electromagnets are used in cranes to lift machinery, in shipyards for loading and un loading purposes and bulk quantity of iron and steel.
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Kavyanshi Choudhary 7 years ago
2Thank You