CBSE > Class 08 | CBSE Board | Homework Help

The substances which are non-sonorous and poor conductors of electricity and heat. These materials are called non-metals. Example- sulphur, carbon, oxygen, phosphorus.

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what are the disadvantages of shifting cultivation?

Posted by Manojkumar Ramesh 7 years, 3 months ago

CBSE > Class 08 > Social Science

1 answers

Yogita Ingle 7 years, 3 months ago

Shifting cultivation is the form of agriculture in which a plot of land is cleared by felling the trees and burning them. The ashes are then mixed with the soil and crops are grown. After the soil loses its fertility, the land is abandoned and the cultivator moves to a new plot.
It causes deforestation, soil erosion and are not viable on large scale.

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Who discover the electromagnetic force.

Posted by Shubham Shirtode 7 years, 3 months ago

CBSE > Class 08 > Science

2 answers

Nisha Bhujade 7 years, 3 months ago

Hans christian orsted

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Sakshi Matra 7 years, 3 months ago

Hens cheristian orsted in 1820

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Who discovered cell

Posted by Sahibedil Singh 7 years, 3 months ago

CBSE > Class 08 > Other Subjects

2 answers

Mohit Kumar 7 years, 3 months ago

Robert hooke

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Dilip Paswan 7 years, 3 months ago

Robert hook

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Article on the topic of Tradition against Modernity.

Posted by Tanishq Raj 7 years, 3 months ago

CBSE > Class 08 > English

0 answers

ANSWER

Compare LPG and wood as fuel

Posted by Harsh Mittal 5 years, 8 months ago

CBSE > Class 08 > Science

2 answers

Atharv Gitte 7 years, 3 months ago

LPG undergoes rapid combustion whereas wood undergoes slow combustion.

4Thank You

Pankaj Singh 7 years, 3 months ago

Lpg is a non luminious( blue )color and wood is a luminious (yellow ) carbon particles

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ANSWER

Write a short note on 'red soil'.

Posted by Zoya K 7 years, 3 months ago

CBSE > Class 08 > Social Science

1 answers

Jayesh Chaudhari 7 years, 3 months ago

Red soils are formed by weathering of the ancient crystalline and metamorphic rocks. Their color is red due to their very high iron content. They are found in areas of low rainfall and is obviously less leached than laterite soils. They are sandier and less clayey soils. Red Soil in India are poor in phosphorus, nitrogen and lime contents. The red soils covers a large portion of land in India. It is found in Indian states such as Tamil Nadu, southern Karnataka, north-eastern Andhra Pradesh and some parts of Madhya Pradesh, Chhattisgarh and Odisha.

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Different between fertilizers and manure

Posted by Arya Raj 7 years, 3 months ago

CBSE > Class 08 > Science

5 answers

Nisha Bhujade 7 years, 3 months ago

Fertilizers are produce in factory Manure are preaperd in field by the decomposition of animal waste , plant waste and human waste

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Nisha Bhujade 7 years, 3 months ago

Fertilizer are inorganic salt Manure are natural organic salt

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Dilip Paswan 7 years, 3 months ago

Fertilizer is an inorganic substance Manure are organic substance

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Shweta Kumari 7 years, 3 months ago

fertilizers is done in factory but manure is prepare in large field

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Arya Raj 7 years, 3 months ago

Fertilizers does not provide any humas and manure provide lot of humas

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How hydras reproduce?

Posted by Priyattam Rana 7 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Yogita Ingle 7 years, 3 months ago

Budding in Hydra: A bud grows anywhere on the main body of hydra. The bud grows to a certain size and gets detached from the mother hydra. This develops further to grow into a new individual.

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Main feature of permanent settlement

Posted by Arman Kumar 7 years, 3 months ago

CBSE > Class 08 > Social Science

1 answers

Neha Rana 7 years, 3 months ago

Houses buildings

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Give any 5 example in disadvantages and advantages of friction

Posted by G.Suvathi G.Suvathi 7 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Yogita Ingle 7 years, 3 months ago

ADVANTAGES OF FRICTION
Friction plays a vital role in our daily life. Without friction we are handicap.
1. It is becomes difficult to walk on a slippery road due to low friction. When we move on ice, it becomes difficult to walk due to low friction of ice.
2. We can not fix nail in the wood or wall if there is no friction. It is friction which holds the nail.
3. A horse can not pull a cart unless friction furnishes him a secure Foothold.
DISADVANTAGES OF FRICTION
Despite the fact that the friction is very important in our daily life, it also has some disadvantages like:
1. The main disadvantage of friction is that it produces heat in various parts of machines. In this way some useful energy is wasted as heat energy.
2. Due to friction we have to exert more power in machines.
3. It opposes the motion.
4. Due to friction, noise is also produced in machines.
5. Due to friction, engines of automobiles consume more fuel which is a money loss.

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In bepin babu lapse of memory lesson At last bepin babu knew that it was a trick played by chunilal but parimal ghose said you got one inch cut in your leg when bepin babu saw it was there but its a trick of chunilal how the one inch cut is there

Posted by Mohammed Sakeeb 7 years, 3 months ago

CBSE > Class 08 > English

0 answers

ANSWER

When someone gets a current,is it due to the uncharged body or charged body? Explain in detail.

Posted by Kushal Dayma 7 years, 3 months ago

CBSE > Class 08 > Science

1 answers

G.Suvathi G.Suvathi 7 years, 3 months ago

By electrostatic force

1Thank You

ANSWER

Solved cbse q

Posted by Danish Kumar 7 years, 3 months ago

CBSE > Class 08 > English

0 answers

ANSWER

What was the mahalwari system

Posted by Kartik Kartik 5 years, 8 months ago

CBSE > Class 08 > Social Science

1 answers

Khushboo Patil 7 years, 3 months ago

Collectors went from village to village inspecting the land measuring the field and recording the customs and rights of different groups the estimated revenue speech blood within a village was added up to calculate the revenue that each village had to be this demand was to be revised periodically not permanently fixed the charge of collective revenue and paying it to the company was given to the village headman rather than the Zamindar this system came to be known as the mahalwari system

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When seventh part of a number is increased by 2, we get fifth part of the same number decreased by 4.

Posted by Anmol Kesarwani 7 years, 3 months ago

CBSE > Class 08 > Mathematics

1 answers

Kajal Kumari 7 years, 3 months ago

Let the no. be x

Now 7th part of x = x/7

And 5th part of x = x/5

Now according to question

X/7+2= x/5-4

X/7-x/5= -2-4

5x-7x/35= -6

-2x/35= -6

X= 6×35/2

X=105

So the no. = 105

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A write up on life and works of great lndian Mathematician aryabhatta

Posted by Devika Km 7 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Mohit Kumar 7 years, 3 months ago

Aryabhat was a great mathematician and astronomer. He has given tje concept of zero(0)

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Write up

Posted by Devika Km 7 years, 3 months ago

CBSE > Class 08 > Science

0 answers

ANSWER

Name the largest cell

Posted by Pankaj Garg 7 years, 3 months ago

CBSE > Class 08 > Science

3 answers

Nisha Bhujade 7 years, 3 months ago

The largest cell found in nature are ostrich eggs

1Thank You

Soumya Pandey 7 years, 3 months ago

Ostrich's egg

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Pankaj Garg 7 years, 3 months ago

Spherical RBCof humans , spindle shape a muscle cell,long branched nerve cell

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Find the square root of 2/1/5 correct to two places of decimal.

Posted by Charul Malik 7 years, 3 months ago

CBSE > Class 08 > Mathematics

2 answers

Charul Malik 7 years, 3 months ago

What do you mean by biodiversity? Write its two important role

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Charul Malik 7 years, 3 months ago

What do you mean by biodiversity ? Write its two important role

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ANSWER

What is pressure how does air exert pressure with an example of an image??????!!!!!

Posted by Aashu Kumar 7 years, 3 months ago

CBSE > Class 08 > Science

2 answers

Aashu Kumar 7 years, 3 months ago

You sutup you stupid

1Thank You

Aashu Kumar 7 years, 3 months ago

No it is force, pressure is a force actin on a unit area of a surface is called pressure

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Is there any difference between synthetic fibres and synthetic polymers. If yes why and if no why ❓❓

Posted by Sneha Bansal 7 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Yogita Ingle 7 years, 3 months ago

Synthetic Fibre: Fibres which are man-made are called synthetic fibres, e.g. nylon, acrylic, etc. A synthetic fibre is made of multiple units of a chemical substance. The units in a fibre are joined together like a chain.
Polymer: A chain of a particular chemical substance is called a polymer. The individual unit in a polymer is called the monomer. Thus, a polymer is made up of many monomers. All synthetic fibres are polymers. Even cotton is a polymer.

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X-y=8 3x+2y=13

Posted by Angle Fiza 7 years, 3 months ago

CBSE > Class 08 > Mathematics

1 answers

Aashu Kumar 7 years, 3 months ago

X=131/5, y=11/5

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What is gas

Posted by Mohammad Raheeb 7 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Aashu Kumar 7 years, 3 months ago

Gas is one of the four fundamental states of matter. A pure gas may be made up of individual atoms, elemental molecules made from one type of atom, or compound molecules made from a variety of atoms.

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Two times a number is a 100% increase in the number. If we take half the number, what would be the decrease in per cent?

Posted by Zoya Farogh 7 years, 3 months ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Water contains hydrogen and oxygen then why it does not catch fire

Posted by Ashok Mishra 7 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Anmol Kesarwani 7 years, 3 months ago

Because in the water the presence of Hydrogen is 2 times more than the presence of Oxygen,that is why it does not catch fire.

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Rusting of iron is combustion or not?

Posted by Harshita Sikarwar 7 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Aashu Kumar 7 years, 3 months ago

No, because rusting is only oxidation, it is not combustion at all. Combustion is rapid oxidation by oxygen with the liberation of heat. Rusting is a process of slow oxidation of iron by atmospheric oxygen in the presence of moisture.

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Utkarsh brought 20 dinning tables for 120000 and sold these at a profit equal to the SP of 4 dinning tables. Find the SP of one dinning table

Posted by Sujeet More 7 years, 3 months ago

CBSE > Class 08 > Mathematics