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Ask QuestionPosted by Prabha Baro 6 years, 6 months ago
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Posted by Gourav Panchal 6 years, 6 months ago
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Tripti Rawat 6 years, 6 months ago
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Posted by Shreyash Raut 6 years, 6 months ago
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Tripti Rawat 6 years, 6 months ago
Before sowing, soil should be prepared well by ploughing and irrigation. Irrigation helps in moisturing and loosing the soil. It is necessary to loosen soil because only loose soil allows the roots to penetrate freely deeper into soil.
Posted by Shreyash Raut 6 years, 6 months ago
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Tripti Rawat 6 years, 6 months ago
Water is an important natural resource on our earth. Excessive irrigation lead to many problems like decrease in level of ground water, increase chance of drought, water logging can harm land as well as plants.
Posted by Shreyash Raut 6 years, 6 months ago
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Tripti Rawat 6 years, 6 months ago
Farmers collect and use wastes from animal, human and vegetable sources(manures) for improving crop productivity.
Sakshi Jaiswal 6 years, 6 months ago
Posted by Polak Das 6 years, 6 months ago
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Yogita Ingle 6 years, 6 months ago
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Thermoplastic |
Thermosetting Plastic |
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Thermoplastic can be synthesized by the process called addition polymerization. |
Thermosetting plastics are synthesized by condensation polymerization. |
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Thermoplastic is processed by injection moulding, extrusion process, blow moulding, thermoforming process, and rotational moulding. |
Thermosetting Plastic is processed by compression moulding, reaction injection moulding. |
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Thermoplastics have secondary bonds between molecular chains. |
Thermosetting plastics have primary bonds between molecular chains and held together by strong cross links. |
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Thermoplastics have low melting point and low tensile strength. |
Thermosetting plastics have high melting point and tensile strength. |
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Thermoplastic is lower in molecular weight, compared to thermosetting plastic. |
Thermosetting Plastic is high in molecular weight. |
Posted by Polak Das 6 years, 6 months ago
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Yogita Ingle 6 years, 6 months ago
Petrochemicals are those substances which are obtained from petroleum and natural gas. These are used in the manufacture of detergents, fibres, polythene, etc.
Posted by Polak Das 6 years, 6 months ago
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Yogita Ingle 6 years, 6 months ago
An enormous variety of organisms exist, including some which can survive and even develop in the body of the host. If the organism can cause infectious diseases, it is an infectious agent. In this manual infectious agents which cause infection and illness are called pathogens.
Posted by Kusum Kr Debbarma 6 years, 6 months ago
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Tripti Rawat 6 years, 6 months ago
Tsunami is a long, high sea wave caused by an earthquake or other disturbance.
Cool Gamer Xd 6 years, 6 months ago
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Polak Das 6 years, 6 months ago
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Meghna Thapar 5 years, 10 months ago
The bodies of all living organisms are made up of microscopic units called units. The temporary mounts of onion peels have different sized but similar small structures. There are some organisms that are single celled but can live their own. Such organisms are called unicellular organisms. Example – Amoeba, Chlamydomonas, Paramoecium and bacteria. The organisms in which the body is made up of many organisms are called multicellular organisms. Many cells group together in a single body and assume different functions in it to form various body parts in multicellular organisms such as some fungi, plants and animals.
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Anubhuti Shrivastava 6 years, 6 months ago
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Kalpana Singh 6 years, 6 months ago
Kalpana Singh 6 years, 6 months ago
Kalpana Singh 6 years, 6 months ago
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Anubhuti Shrivastava 6 years, 6 months ago
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Yogita Ingle 6 years, 6 months ago
3(5z-7)-2(9z-11) = 4(8z-13)
15z - 21 - 18z + 22 = 32z - 52
-3z + 1 = 32z - 52
32z + 3z = 1 + 52
35z = 53
z = 53/35
Posted by Amjad Rtr 6 years, 6 months ago
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