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Why do you want to become a doctor instead of a different healthcare professional such as a nurse?

For this question you really need to understand the differences between the roles of a doctor compared to a nurse and to know your own motivations to study Medicine. Both positions provide help and care t...

EK
2569 Views

Calculate the relative formula mass of aluminium sulfate, Al2(SO4)3 (2 marks)

As the question is 2 marks, show working to ensure you get a mark even if answer is slightly wrongFrom periodic table you can see that the relative atomic masses are oxygen = 16; aluminium = 27; sulfur = ...

AS
Answered by Amy S. Chemistry tutor
34101 Views

Explain the reactivity of group 1 metals

The reactivity of group 1 metals increases as you go down the group. This is due the number of electron shells increasing, leading to the distance between the outermost electron and the nucleus. The incre...

JC
Answered by Jawad C. Chemistry tutor
2280 Views

What is a Production Possibility Frontier?

A PPF is a graph that can be used to explain opportunity cost, and trade off. It is made up of a concave line with, for example, apples on the vertical axis and bananas on the horizontal ...

MC
Answered by Maisie C. Economics tutor
2410 Views

When do I use the present perfect, simple past and past perfect?

First of all, I'll give you an example of the same verb in those three different tenses, all in the first person singular. We'll use the verb "to read", or "lesen" in German.In present...

AJ
Answered by Annabel J. German tutor
1736 Views

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