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A piezoelectric crystal makes use of the peizoelectric effect. This is the production of a voltage when mechanical stress is applied across the material. This occurs only in materials ...

E.g. Evaluate how would a fall in interest rates effect economic growth.Start by defining the key terms - economic growth, possibly interest rates very briefly.Draw a diagram showing Aggregate Demand shif...

It's completely understandable to be a little apprehensive about having to engage higher-level analysis of sources under time pressure, but don't worry! There are several steps you can take to help you ge...

Though it certainly can seem daunting at first, unseen poetry can be a great way of earning marks during your exam. Reading the poem twice is an excellent way to start, but do not worry if you do not unde...

A gerund is a verbal noun which has an active force.

For example: Portare facile est = Carrying is easy, to carry is easy.

Gerund have no plurals,...