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Yogita Ingle 6 years, 5 months ago
The topmost layer of land which is composed of grainy substance is called soil. Soil is made up of organic matter, minerals and weathered rocks. Soil formation takes place because of weathering of rocks. The soil becomes fertile because of the right combination of minerals and organic matter.
Posted by Priya Vanshu 6 years, 5 months ago
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Yogita Ingle 6 years, 5 months ago
The topmost layer of land which is composed of grainy substance is called soil. Soil is made up of organic matter, minerals and weathered rocks. Soil formation takes place because of weathering of rocks. The soil becomes fertile because of the right combination of minerals and organic matter.
Posted by Sudhanshu Shekhar 6 years, 5 months ago
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Yogita Ingle 6 years, 5 months ago
The triangular number sequence : 1, 3 , 6, 10, 15,21, 28, .....this sequence comes from the pattern of dots that form a triangle.
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Sia ? 6 years, 5 months ago
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Posted by Hitendra Patel 6 years, 5 months ago
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Yogita Ingle 6 years, 5 months ago
Shifting Cultivation: In shifting cultivation, a small patch of land is cleared by felling the trees and burning them. Then the ashes are mixed with the soil and seeds are broadcast. After a couple of years, the patch of the land is left fallow and the farmer moves on in search of a new patch of land. Shifting cultivation is practiced in thickly forested areas of Amazon basin, tropical Africa, parts of southeast Asia and Northeast India.
Posted by Shreyash Patil 6 years, 5 months ago
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Yogita Ingle 6 years, 5 months ago
- Malleable: This means that metals can be beaten into thin sheets with a hammer. The property which allows the metals to be hammered into thin sheets is called malleability. Aluminium metal can be hammered to form alumimium foils.
- Graphite is a good conductor, because the structure of the flat sheets of graphite require each carbon atom to use three (3) electrons for bonding, but each carbon atom has four (4) valence electrons the can be easily separated from the atom
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Gopika Prajith???? 6 years, 5 months ago
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Sia ? 6 years, 5 months ago
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Shourya Sinha 6 years, 5 months ago
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Sia ? 6 years, 5 months ago
An alloy is a substance made by melting two or more elements together, at least one of them metal.
Posted by Poorva Naralkar 6 years, 5 months ago
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Sia ? 6 years, 5 months ago
Let the digit at unit place be x
The digit at tens place = 3x
So, the number is = {tex} = 10 \times 3x + x{/tex}
= 30x + x
= 31x
On interchanging the digits,
The digit at unit place = 3x
and the digit at tens place = x
Now number = 10x + 3x
= 13x
According to the question,
31x + 13x = 88
44x = 88
{tex}x = \frac{{88}}{{44}}{/tex}
{tex}\therefore x = 2{/tex}
So, the digit at unit place is 2 and the digit at tens place {tex} = 3 \times 2 = 6{/tex}
Hence, the original number is 62.
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Meghna Thapar 5 years, 10 months ago
Plastics do not corrode easily. It does not react with air, water or any chemical so it is safe to store many kinds of materials including chemicals.
Posted by Riya Ghagare 6 years, 5 months ago
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Sia ? 6 years, 5 months ago
Resources are usually classified into three types which are:
- Natural resources.
- Human-made resources.
- Human resources.
Renu Mehta 6 years, 5 months ago
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Sia ? 6 years, 5 months ago
Differences between fertilisers and manure
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Manure |
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Yogita Ingle 6 years, 5 months ago
A volcano is a landform, a mountain, where molten rocks erupt through the surface of the planet. The volcano mountain opens downwards to a pool of molten rocks underneath the surface of the earth.
Posted by Manisha Babbar 6 years, 5 months ago
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Yogita Ingle 6 years, 5 months ago
| These are solids at room temperature except mercury | These exist in all three states |
| These are very hard except sodium | These are soft except diamond |
| These are malleable and ductile | These are brittle and can be breakdown into pieces |
| These are shiny | These are non-lustrous except iodine |
| Electropositive in nature | Electronegative in nature |
| Have high densities | Have low densities |
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Priyansh Agarwal 6 years, 5 months ago
3Thank You