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Burning coal emits large amounts of carbon dioxide into the atmosphere. Coal is composed almost entirely of carbon, so burning coal unleashes large amounts of carbon dioxide (CO2) into the atmosphere. These emissions have been shown to increase the greenhouse effect in the atmosphere and lead to global warming.

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state the difference between thermo plastic and themosettinh plastic

Posted by Caralin Sofi 4 years ago

CBSE > Class 08 > Science

4 answers

Saurabh Kumar 3 years, 11 months ago

themoplastic can be easily bent and soaked in burning while thermosetting plastic cannot easily bent

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Kanishka Gungaliya 3 years, 11 months ago

Thermoplastics- plastics that can be easily remoulded after burning Thermosetting- plastics that can't be remoulded again after moulding it once..

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Fatima Rahman❣️❣️ 3 years, 11 months ago

Thermoplastic plastics Thermosetting plastics 1) Such polymers or plastics are usually formed by addition polymerisation. 1) These plastics are usually formed by condensation polymerisation.

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Arshad Shaikh 4 years ago

My BigBotherprenchand

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What happens when magnesium is NOT burnt in presence of oxygen?

Posted by Gargi Pusnake 4 years ago

CBSE > Class 08 > Science

1 answers

Taneya Gupta 4 years ago

It can't burn because fire can only take place in presence of oxygen

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Define Endoplasmic Rectilum

Posted by Roy M 4 years ago

CBSE > Class 08 > Science

1 answers

Naman Kumar 3 years, 11 months ago

Endoplasmic reticulum is the tissue where RBC'S (red blood cells) are produced and an E-R is of two types Smooth E.R and Rough E.R.

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The same kind of plants grown and cultivated on a large scale at a place ia called

Posted by Swaraj S 4 years ago

CBSE > Class 08 > Science

5 answers

Divya Kumari 4 years ago

Crop

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Sangeeta Moryani 4 years ago

G boss

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Sangeeta Moryani 4 years ago

Oyeee

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Harshit Kumavat 4 years ago

Crops

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Varun Rathi 4 years ago

Crops

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Describe an experiment to slow that we can get electrical energy by using a magnet

Posted by Harpreet Kaur 4 years ago

CBSE > Class 08 > Science

1 answers

Roy M 4 years ago

Electro magnetic induction

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What is the importance of stem to the plant

Posted by Vishnu Chawla 4 years ago

CBSE > Class 08 > Science

1 answers

Varun Rathi 4 years ago

Acts as transport material and transports nutrition

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Metal and non-metals What is a metal ?

Posted by Shivangi Sinha 4 years ago

CBSE > Class 08 > Science

3 answers

Palak Singh Rajput 3 years, 11 months ago

Those elements which from positive ions by losing electrons called metal.

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Fatima Rahman❣️❣️ 3 years, 11 months ago

a type of solid substance that is usually hard and shiny and that heat and electricity can travel through

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Varun Rathi 4 years ago

That has lustre and is good conductor of heat and electricity There are other 5 difference also

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Why metal are lustrous ?

Posted by Shivangi Sinha 4 years ago

CBSE > Class 08 > Science

2 answers

Fatima Rahman❣️❣️ 3 years, 11 months ago

Metals are lustrous due to the flow of free electrons. ... The outer electrons in a metal are almost not bound to any individual atom, thus are relatively free. 3. These free electrons (electron density) are concentrated on the surface and can move freely in metal.

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Varun Rathi 4 years ago

Due to their lustrous property

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What is the natural resources

Posted by Komalpreet Kaur 4 years ago

CBSE > Class 08 > Science

4 answers

Naman Kumar 3 years, 11 months ago

Resources are the naturally occurring substances which can be extracted easily and used without much modification. Some materials undergoes through human processes which are done with the help of machines

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Varun Rathi 4 years ago

Resources that are drawn from Nature and used without much modification are called natural resources. example- water, air etc

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Subhankar Malik 4 years ago

Resources that are drawn from Nature and used without much modification are called natural resources.

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Manjula Bagul 4 years ago

Resources that are drawn from Nature and used without much modification are called natural resources. The air we breathe, the water in our rivers and lakes, the soils, minerals are all natural resources. Many of these resources are free gifts of nature and can be used directly. In some cases tools and technology may be needed to use a natural resource in the best possible way.

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What is frition

Posted by Bhagwat Sabhadia 4 years ago

CBSE > Class 08 > Science