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A reflex arc is made up of a receptor (which detects a stimulus), a sensory neurone, a relay neurone, a motor neurone and an effector (which brings about a respon...

Price elasticity of demand (PED) shows by how much demand will increase or decrease with a change in price where 0-1 represents low PED and >1 means a high PED.If a product has a low PED (e.g. 0.5) th...

Alkyl groups increase basicity because: 1) They push electron density onto the nitrogen atom, which makes the nitrogen lone pair more attractive to hydrogen ions. 2) They stabilise the positive charge on ...

The congiuntivo (subjunctive) is one of the verb moods that even native Italian speakers tend to have the most trouble with. It is used to describe a hypothetical scenario, or it may follow verbs expressi...

There is no one way to structure an IOC properly, but having a solid structure is essential if you wish to achieve high marks. It mainly depends on what the text type is. If you are analysing a poem, it m...