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Posted by Vinay Mohan Rawat Vinay Rawat 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
India had a long tradition of building various structures to manage water resources. Irrigation systems were built as early as during the Mauryan Empire.
At present, many multipurpose dam projects had been built in India. These dams serve many purposes. They prevent flood by checking the flow of water. The water from the dams is used through a system of canals to irrigate far flung areas. Dams are also used for electricity generation. Moreover, drinking water is also supplied from the dams.
But dams have caused a lot of people being displaced from their ancestral lands. Additionally, a vast tract of land gets submerged in the catchment area of dam. This results in large scale environmental consequences. Due to these reasons, many movement groups have begun protesting against building of large dams. Narmada Bachao Andolan is an example of one such movement.
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Akhifa Sheik 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
Compounds – Compounds are chemical substances made up of two or more elements that are chemically bound together in a fixed ratio.
Example of compounds includes water (H2O), Hydrogen Peroxide (H2O2), etc.
Posted by Nandini H.Chauhan 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
- The plane mirror is used in a solar cooker, because it reflects the most of the light falls on it.
- Plane mirrors are used in optical devices like periscope, kaleidoscope.
- Plane mirrors are used to obtain the virtual images on to the screen (virtual image is reflected by a plane mirror on to the screen to get its real image, here the virtual image is the object for the Plane mirror.
Posted by Vishal Kumar 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
The base of an equilateral triangle is 8cm and one of its equal sides is 5cm.
Please check question how is it possible equilateral triangle of 8cm base and one of its equal sides is 5cm?
| ONE | TWO | THREE |
| Rose | Lily | |
| Pansy | Dahlia |
Posted by Dεερακ Ȿιηɠꜧ 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
Since, 237 > 81
On applying Euclid’s division algorithm, we get
237 = 81 × 2 + 75 ...(i)
81 = 75 × 1 + 6 ...(ii)
75 = 6 × 12 + 3 ...(iii)
6 = 3 × 2 + 0 ...(iv)
Hence, and HCF (81, 237) = 3. 1 Write 3 in the form of 81x + 237y, move backwards
3 = 75 – 6 × 12 [From (iii)]
= 75 – (81 – 75 × 1) × 12 [Replace 6 from (ii)]
= 75 – (81 × 12 – 75 × 1 × 12)
= 75 – 81 × 12 + 75 × 12
= 75 + 75 × 12 – 81 × 12
= 75 ( 1 + 12) – 81 × 12
= 75 × 13 – 81 × 12
= 13(237 – 81 × 2) – 81 × 12 [Replace 75 from (i)]
= 13 × 237 – 81 × 2 × 13 – 81 × 12
= 237 × 13 – 81 (26 + 12)
= 237 × 13 – 81 × 38
= 81 × (– 38) + 237 × (13)
= 81x + 237y
Hence, x = – 38 and y = 13
Posted by Dharamveer Singh 5 years, 11 months ago
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Yogita Ingle 5 years, 11 months ago
Exclusive Economic Zone is an sea or oceanic area over which a coastal country has special rights of exploration and marine resources. The said country has rights over the energy production from its water and wind.
The Exclusive Economic Zone usually stretches from from coastal baseline of the coastal country to the 370 Km. This has been prescribed by the "United Nations Convention on the Law of the Sea
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Raj Bhagat 5 years, 11 months ago
Yogita Ingle 5 years, 11 months ago
Plants have two different types of 'transport' tissue. Xylem transports water and solutes from the roots to the leaves, phloem transports food from the leaves to the rest of the plant.
Plants use two different strategies; transpirational pull and root pressure for the transportation of water and minerals during day and night.
Root Pressure is the positive pressure created by the movement of water from the roots to the soil for upward movement of water. The effect of root pressure in the transport of water is more important at night.
Transpiration pull is the pull of water as a result of tension created by transpiration in the aerial parts of the plant. It is the major driving force of water movement upwards in a plant during the day. Transpiration is the process by which water evaporates from the leaves, which results in more water being drawn up from the roots.
Diksha? 5 years, 11 months ago
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Kiran Kumar 5 years, 11 months ago
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