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A covalent bond is when the nuclei of two different atoms share a bonded pair of electrons.

A diseased coronary heart artery has fatty diposits (atheroma) that narrow the lumen, and block bloodflow. As the coronary arteries primarily serve to nourish the heart, this can weaken it and if it remai...

The three styles of tectonic plate movement are convergent (when plates move towards each other), divergent (when plates move apart), and transform (when plates slide past each other).At convergent plate ...

My best advice when it comes to your personal statement is to start early. With a limited word count and so much you want to show it's best to have lots then keep refining it. Keep a diary of your experie...

Factorising a quadratic can seem daunting at first but when broken down if to multiple steps it can be much more manageable. These steps will work for all basic quadratics so if you stick to the formula y...