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Describe how the coronary arteries can become narrowed and explain how this can lead to a heart attack.

Eating a diet high in saturated fat has been linked to high levels of cholesterol in the blood.If there is too much cholesterol in the blood it can start to build up in the coronary arteries. This causes ...

Answered by Biology tutor
2794 Views

Find the general solution to the differential equation; y'' + 4y' = 24x^2

The first step in tackling any second order differential equation is to find the Auxiliary Function. Looking at the equation's left hand side, we can find the derivative terms - we will s...

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3307 Views

Outline two ways in which education is ethnocentric

Remember to bullet point answers to save time on short markers. Give a point then explain using an example in the explanation to ensure you definitely get the second mark.Holidays are based around traditi...

MH
Answered by Molly H. Sociology tutor
3932 Views

What's the difference between positive and negative reinforcement?

Positive- rewards for carrying out specific behaviour (leaver = food)Negative- specific behaviour removes an unpleasant consequence (leaver = no shock)

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Answered by Molly H. Psychology tutor
2005 Views

What's the best way to answer a question with a source?

Highlight links and annotate precisely so you don't forget how it specifically links to your point.In answer write the link in quote marks and in sentence use phrases like 'as the item says...' to sign po...

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Answered by Molly H. Sociology tutor
1960 Views

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