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What are the key musical and historical features that distinguish 'the blues' from other musical genre?

The blues was forged under the conditions of slavery originally manifested in the form of work songs and spirituals by African Americans who were forced to transport such musics to the North American colonie...
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Answered by Luke H. • Music tutor
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A jug containing 0.250 kg of liquid is put into a refrigerator. Its temperature decreased from 20°C to 15°C. The amount of energy transferred from the liquid was 5,250 J. Calculate the specific heat capacity of the liquid.

Using the equation Q = mcT, where Q represents energy in Joules, m represents mass in kg, c represents specific heat capacity measure in joules kg -1 K -1 and lastly, T represents the change in temperature i...
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Answered by Andrew S. • Physics tutor
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Solve algebraically: 1) 6a + b = 16, 2) 5a - 2b = 19

Firstly multiply the first equation by 2 resulting in the equation 12a + 2b = 32. Following this, add the first equation to the second equation, this will result in the 2b cancelling out with just 17a = 51. ...
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Answered by Andrew S. • Maths tutor
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What are the advantages of saltatory conduction?

· The myelin sheath means that action potentials can occur only at the gaps between the Schwann cells that make up the myelin sheath.· Effectively the action potential jumps from one node of Ranvier to the n...
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Answered by Natalia S. • Biology tutor
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What is saltatory conduction?

· Myelin sheath is an insulating layer of fatty material, composed of Schwann cells wrapped tightly around the neurone.· Sodium and potassium ions cannot diffuse through this fatty layer.· In between the Sch...
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Answered by Natalia S. • Biology tutor
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