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The human eye has high sensitivity because many rods connect to a singular neurone, so many weak generator potentials combine to reach the threshold and trigger an action potential. The human eye has a hi...

emf= (-) d(magnetic-flux)/dt (1 mark)                                                                Faradays law of induction states that the electromotive force induced in any closed circuit is equal to...

Points that student should remember before answering this question:

• Historiography and historical debate

• Argumentation + essay structure

• Be confident i...

The restoration theory of sleep (Oswald, 1980) suggests that its function is to restore the body, including the replenishment of neurotransmitters, and the repair of tissue cells and muscles. It suggests ...

Adding the fractions on the RHS of the equation in the usual way gives 

A/(2-x) + B/(1+3x) = (A(1+3X) +B(2-X))/((2-X)(1+3X)) = (5x +4)/((2-x)(1+3x)) 

This gives an expression for the origina...