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Describe the differences in properties between diamond and graphite.

Diamond – The electrons are tightly bound between the atoms. Bonds are difficult to break as they are held firmly together hence diamond has a hard structure. Diamond does not have free electrons to carry th...
JG
Answered by Jasmine G. • Chemistry tutor
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The National Living Wage (NLW) government policy target is to increase the NLW to £9 per hour by 2020. Explain two possible impacts of this policy on the UK supermarket industry.

Increased labour costs, many staff on minimum wage. This could impact on competitiveness against other supermarkets, as prices may have to be increased to match the increase in costs, so customers may switch...
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Answered by Alex B. • Economics tutor
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Solve ((x+2)/3x) + ((x-2)/2x) = 3

Multiple first fraction through by 2 and second fraction through by 3((2x+4)/6x) + ((3x-6)/6x) = (5x-2)/(6x) = 3Expand brackets and isolate x5x-2 = 18x13x = -2x = -2/13
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Answered by Alex B. • Maths tutor
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Explain how blood glucose levels are controlled in people who do not have diabetes

Blood glucose levels are controlled by homeostasis. When people eat foods that contain a lot of starch/sugar, their blood glucose will rise above a normal level. This will be detected by cells in the pancrea...
SR
Answered by Salwa R. • Biology tutor
8153 Views

How should I approach revising a character for GCSE essays?

When revising a character the most important thing to do is re-read the sections of the novel they appear in with the aim of being able to answer certain key questions about the character. For example, for q...
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Answered by Paul H. • English tutor
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