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To what extent (if any) do your preconceived ideas affect what you see? Is this a problem for foundationalism?

While looking for knowledge we tend to forget that the situations experienced by our senses might not always be supported by an objective set of beliefs. In this essay I will discuss this issue and defend ho...
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Answered by Sonia C. • Philosophy tutor
12740 Views

How to use primary sources.

In history you have no doubt come across, and had to use primary sources. Primary sources offer a wealth of information, but they do have their limitations. There are a number of reasons why you cannot take ...
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Answered by Jason L. • History tutor
4005 Views

What is the difference beween biological species concept and the phylogentic approach to defining species?

The biological species concept classifies species as a group of actually or potentially interbreeding individuals. This means that any two individuals (well a male and female) within the group could breed an...
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Answered by Harriet H. • Biology tutor
27415 Views

What is chirality/optical isomerism?

Chirality (or optical isomerism) is a physical property of a molecule which has a non-superimposable mirror image. In other words, a molecule which, when reflected cannot be rotated in any way to make the or...
MW
Answered by Matthew W. • Chemistry tutor
14270 Views

When do you use the imperfect and when do you use the preterite?

Trying to differentiate between the use of these two tenses can often prove challenging for Spanish students. However, there are some key points that may help you when trying to decide which tense to use. Th...
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Answered by Summer S. • Spanish tutor
4140 Views