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Fräulein Else's Beziehung ihrer Mutter kann man vor allem in Else's Reaktion auf die von ihr erhaltenen Briefe erkennen.Immer wenn Else Briefe von ihrer Mutter erhält, betont sie dass sie ihre Mutter &quo...

Total internal reflection occurs only when light travels from a medium of high refractive index to a medium of low refractive index. This is the case for our problem (glass to air boundary, n=2 and n=1 re...

This question gets asked regularly by A Level and University students. There are a few things to consider when choosing a statistical test for data. Note that more complex statistical tests such as ANOVA/...

The main advantage of conducting an experiment in a lab is that variables are easier to control. This is often not the case in a field experiment, as this takes place in a normal environment for the parti...

Each side of the triangle is 7 meters, because it is an isosceles triangle. P= perimeterP = 7 +7 +7 P= 21 meters
Each meter of copper wire costs 2 £ so,
Total cost= Perimeter in meters * Cost ...