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Dreaming is an unconscious process so it is a difficult concept to test. Interpretations of the dreams are required which raises the issue of subjectivity. Also, people may lie about and/or not remember t...

When tackling this question you cannot simply multiply what is in the bracket as this this is not fully expanded. First you must rewrite it as (x-2)(x-2). From here we can on expand the brackets by multip...

Receptors in the skin which are sensitive to changes in pain, pressure and temperature detect a change in one of these factors. This acts as the stimulus for the reflex response. This stimulus triggers an...

An electrical impulse arrives at the synaptic knob in the pre-synaptic neuron. This causes the voltage-gated calcium ion channels to open and calcium ions will diffuse into the synaptic knob, down the con...

Climate change is likely to cause multiple impacts globally on both people and the environment. One of the greatest threats posed by climate change is that of sea level rise. This means low lying countrie...