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Outline a factor that has led to globalisation

Globalisation is the growing integration of the world's economies. One factor that has enabled globalisation to take place is the reduction in international trade barriers. This is because over the last deca...
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In which ways are the lungs adapted for efficient gas exchange?

There are three main ways in which the lungs are adapted for efficient gas exchange. These are: the fact that structures in the lungs called alveoli provide a large surface area for gas exchange. Also, the l...
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Answered by Holly M. • Biology tutor
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How do you know whether a compound is ionic or covalent and how can you find the conductivity rate for both heat and electricity?

As a general rule metals bind to non-metals ionically, and non-metals to non-metals bind covalently. For example NH3 is covalent, vs NaCl is ionic. Conductivity rates for electricity are in general dependent...
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Answered by Roshan S. • Chemistry tutor
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How do you know when to use the verb 'être' or 'avoir' in French?

The verb avoir (have) is conjugated in the present tense. 'Avoir' is used when the 'subject' (sujet) 'owns' (has) something or someone. Example: I have a pet - J'ai (avoir) un animal. My neighbor has(have) a...
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Answered by Samy N. • French tutor
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How should I go about answering the ELAT?

The structure of the ELAT exam is very different from the A Level exam. The ELAT exam gives you a great deal of freedom, and the passages included, whilst being centred on a single theme, will be very varied...
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Answered by Jason M. • ELAT tutor
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