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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 ge...

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 ...

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 ...

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 hav...

The image is of what looks to be a quarry. In the left of the image there is a lake, possibly with waste materials from the quarry. There are roads leading away from the area on the right, presumably to c...