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Isotopes are a variant of a particular chemical element in the Periodic Table. They have the same atomic number, therefore the same number of protons and electrons. However they have a different number of...

Read through the question slowly and carefully- underline key concepts/words that will need defining- A good answer should always first define and not simply assume the key title conceptsBefore you start ...

There are lots of different techniques composers use to create drama. I would have a checklist of different areas to listen out for:Tempo – It is likely to be quite fast, or perhaps there are sudden chang...

To begin with, we should first look at how the heart beats.
Beating of the heart is due to myogenic muscle contraction, This means the myocyte (muscle cell) itself is the origin of the contraction an...

The action potential is the change in electrical voltage across a neuron's cell surface membrane, as an impulse is passed along the neuron. This is the way signals are transmitted in the nervous system. I...