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Metals are arranged in a regular lattice structure with the positive ions being held together via a sea of delocalised negative electrons.

There are three key factors affecting rate of photosynthesis at GCSE level. They are light intensity, CO2 concentration, and temperature. These factors are best visualised by drawing graphs with rate of p...

So we use the quadratic formula to find out 2 values of x satisfies the quadratic equation we have been given. First we need to write the quadratic formular down, (x=-b.. etc). If you see, we need to plug...

Milgram's research into obedience was met with criticism that the participants weren't protected from psychological harm, as they were led to believe that they were inflicting pain onto another person whi...

Three most notable problems facing Elizabeth from 1558-1603 was that of inflation, the war with Spain, and religious divisions. Looking into these issues, it can be seen that although religion and inflati...