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(a) some aid results in debt (ths occurs with tied aid); (b)aid targets specific groups withina population who are not always the poorest; (c) can be subject to corruption and so may not be spent on the p...

Bounds can be used when a value has been approximated. e.g. The length of a plank of wood is 80cm to the nearest 1cmThe lower bound is the smallest value that would round up to the estima...

One of the most important things to remember when writing a comparative essay seems very obvious but it is that you must Compare the texts very closely. The examiner is most interested in seeing ...

To test for chloride ions, add silver nitrate and a white precipitate should form, then add dilute ammonia and it should re-dissolve. For bromide ions, add silver nitrate and a cream precipitate should fo...

Vivimos en una época de tecnología. Gracias a la tecnología podemos contactar a cualquier persona simplemente por haciendo algunos clics por una pantalla. ¿Puedes pensar en un tiempo en el que no usas tu ...