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(4) Black lead

The variety of coal in which the deposit contains recognizable traces of the orginal plant material is 1 Anthracite 2 Lignite 3 Peat 4 Bitumen

1 Answers  

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The average salinity of sea water is 1 2% 2 2.5% 3 3% 4 3.5%

1 Answers  

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What are vitamins ? describe different kinds of vitamins

1 Answers  

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The final products of combustion of ethane are 1 Carbon and oxygen 2 Ethylene and Hydrogen 3 Water and Carbon monoxide 4 Carbon dioxide and water

2 Answers  

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What is practical frequency. ? How create a frequency band?

0 Answers   Student,

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exactly how does an RTD 3 wire or 4 wire device cancel out the resistance of the wires , opposed to a 2 wire RTD? Is it because you have resistors in parallel , or because something to do with the electronic circuit the RTD is connected to ?

0 Answers  

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is the big bang theory correct, because as I wondered the explosion is too powerful that no one could survive after galaxies were created no life exist on it after the 3.5 billion years life exist so... my question is were is the life came from?

0 Answers  

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What does the Haversion central canal in each osteon contains?

1 Answers   Jindal,

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Explain the Evolution of Science as a discipline in the Medieval Period

0 Answers   Mahatma Gandhi University,

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Old-written material, which cannot be read easily, can be read by 1 Cosmic rays 2 Ultraviolet rays 3 Infra red rays 4 None of these

1 Answers   ACIO, RRB,

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Rusting of iron involves 1 Oxidation 2 Reduction 3 Displacement 4 Decomposition

5 Answers   MTS, SSC,

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neel armstrong belongs to which country ?

1 Answers  

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