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What is meant by the term 'opportunity cost'

This simply means, 'the next best alternative foregone'. We can explain this by saying if I only had £5 to buy lunch, I could either buy a sandwich or half a pizza. The opportunity cost of me buying a sandwi...
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Answered by KATIE C. • Economics tutor
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What is the difference between a codified and uncodified constitution?

The difference between a codified and uncodified constitution is quite simple. Codified means the constitution is written down in a single document. The US constitution is codified. An uncodified constitutio...
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Answered by KATIE C. • Politics tutor
45214 Views

How would you structure a 12 mark question?

There's no set structure as to answer the 12 mark question, but there is an easy way to get you in the hang of it. Firstly you would introduce the question and give some background of the question. Then the ...
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12296 Views

How are some plants able to fix gaseous nitrogen from the atmosphere?

Leguminous plants have nodules on their roots that contain, symbiotic bacteria. These bacteria are capable of turning gaseous nitrogen ultimately to nitrate, which the plant can then use in order to synthesi...
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Answered by Sam C. • Biology tutor
3694 Views

Is there an easy formula for creating compound tenses?

For your French GCSE you will be expected to be able to recognise and create two compound tenses: the perfect tense and the pluperfect tense. The perfect tense is used to describe a single completed action i...
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Answered by Georgina R. • French tutor
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