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Consumer surplus is an important concept in economics. Essentially, it is the extra amount that a consumer is willing to pay for a given good or service. It is the difference between the current amount pa...

To work this out you can either work out the amount of an ingredient needed for one cake then divide the amount you have by this or you can work out how many times the amount needed for 12 cakes goes into...

Strange situation was a experiment conducted to study attachment behaviours in infants. The experiment was conducted in a regulated environment and children were taken in with a parent. The parent played ...

An action potential from the presynaptic neurone arrives at the presynaptic knob. This process causes voltage-gated Calcium ion channels in the presynaptic membrane to open. Calcium ions then diffuse into...

Momentum before the collision or separation must equal the momentum afterwards, this is called the conservation of momentum. The situation before had the skateboarder on the skateboard, both stationary. A...