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What is inflation?

It is the sustained increase in the general price level. There are two types of inflation, cost push inflation and demand pull inflation. Cost push inflation is when costs increase so much that firms increas...
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Answered by Shahd S. Economics tutor
2669 Views

How do I discuss the strengths and limitations of a study?

For each study, you will only need to know a maximum of 4 strengths/limitations. Focus on evaluation points which are based on the methodology of the research and how this has impacted the findings and gener...
HS
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When finding the turning points of a curve, how can I tell if it is a maximum, minimum or a point of inflection?

To find the turning points of a curve one must find the values of x which satisfy dy/dx = 0. To further determine what type of turning point this is you need to compute the second derivative with respect to ...
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Answered by Ben S. Maths tutor
11317 Views

Explain how a nerve impulse causes the chambers of the heart to contract (6).

The heart's excitation is myogenic and therefore can be started without any transmission from the brain. The sino-atrial node is found behind the posterior wall of the left atrium and is where the action pot...
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Answered by Jeremy S. Biology tutor
2906 Views

How do catalysts speed up the rate of a reaction?

A catalyst increases the rate of the reaction because: They provide an alternative energy pathway that has a lower activation energy This means that more particles have the activation energy required for the...
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Answered by Vanessa O. Chemistry tutor
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