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Speed is a scalar quantity i.e it is a quantitative measure and has no direction. Whereas velocity is the speed of an object in a given direction.

Duck's Phase Model claims that breakdown happens in four stages. The first stage is Intrapsychic whereby an individual realises there is a problem within the relationship. The second is Dyadic whereby the...

Monopolies generate economic profit and are therefore better able to invest in research & development which may improve their productive effiency, making them more dynamically efficient over time. 

1. What is ‘survival of the fittest’?

- ‘Survival of the fittest’ is a phrase way to describe the principle behind the theory of evolution by natural sel...

In fossil fuels powered power stations fossil fuels (such as coal) are burnt to generate heat. This heats is used to heat a large amount of water and turn it into steam. The movement of the steam cause...