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Natural law is the theory that an eternal, absolute moral law can be determined by reason. Key scholars are Thomas Aquinas and Aristotle. Aquinas developed the Four Tiers of law, placing natural law on th...

First we will differentiate y to find dy/dx= 4x³-16x. Stationary points exist at dy/dx=0 so we set 4x³-16x=0 and solve for x. x(4x²-16)=0. So x=0 or 4x²-16=0. I...

Undermine democracy - On on hand, some pressure groups are elitist, particularly insider pressure groups (ASH). Furthermore, minority interests may be overlooked by big pressure gr...

Diastole - relaxation of the atria and ventricles means lower pressure within the heart, this causes blood to passively flow through the atria and into ventricles. AV valves are open therefore allowing bl...

First remember that a parametric curve z = (x(t), y(t)) can be differentiated using the following formula (derived using the chain rule): dz/dt = (dy/dt)/(dx/dt). We should now find dy/dt and dx/dt (which...