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Waterfalls are formed over areas where hard rock lays over soft rock. When the river flows over soft rock, it erodes the soft rock away, which begins to undercut the hard rock which lays above. As the har...

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Cognitve Methods:

• imagery

• visualisation

• selective attention

• positive self talk

• goal s...

The formula that I used all throughout GCSE and A-Levels is a very simple one, and I'm sure teachers have explained this, or some variant of it, to you: point, evidence, explain. It is simple, yet so many...

To expand the lungs and fill them with air, thoracic pressure decreases. This is done by the diaphragm contracting and flattening out and the external intercostal muscles raising the ribcage upwards and o...

There is a pre-synaptic and post-synaptic neuron. An impulse stimulates the presynaptic neuron, travelling down to the synaptic bouton. This releases neurotransmitters into the synaptic cleft, which diffu...