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What are the impacts on host countries of voluntary migration?

Using the UK as a case study, voluntary migration has benefits and costs to the host nantion. Voulntary migration can help balance demographic changes to sustain a healthy working age population. In doing to...
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How do I know which case to use?

There are 4 cases in German- Nominative, Accusative, Dative and Genitive. First you must know the gender of the noun to work out the case. Nominative is used for a person or thing which does the action of th...
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Answered by Daniel W. • German tutor
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Explain how the evaporation of a liquid causes the temperature of the remaining liquid to decrease.

(Explain within the lesson)
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Answered by Finlay M. • Physics tutor
4236 Views

What is 'grouping' and how does it work?

Grouping is essentially factorisation, it's just the idea that ax + bx = (a+b)x, which we already know. But the difficulty is in recognising this relationship when x is more complicated, for example when x= ...
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Answered by Farah H. • Maths tutor
4015 Views

What is a 'foolproof' way to balance any combustion reaction?

While balancing equations by 'observation' or 'trial and error' is possible for simple compounds, it helps to have a general method of balancing these equations, so that, regardless of how complicated an equ...
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Answered by Farah H. • Chemistry tutor
7112 Views