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Molecular shape is based on VSEPR Theory which states that electrons in lone pairs repel other electrons in lone pairs the most. Electrons in lone pairs repel electrons in bonding pairs less and electrons...

It is made abundantly clear in the beginning of the novel that Jane suffers from a deficiency of love, which is evidenced by the callous treatment she experiences at the hands of her only relations. Jane ...

It is possible to separate out the different organelles of a cell by spinning a homogenised solution of them at different speeds using an ultracentrifuge. The cells must first be placed in a cold, isotoni...

The best way to learn facts is in small chunks over a long period of time, so your need to organise your revision well before the exams start. Break the course up into sections (e.g. the Russian economy u...

The first step is to read the question very carefully, checking it three times over to make sure that you fully understand it. The worst mistake you can make in an English essay is to write about the wron...