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1.
S₁: Most people know that economics deals with such items as population, natural resources, incomes, tariffs, money and prices.
S₆: From this view, human behaviour is seen as activity directed towards the achievement of various objectives through the use of various resources.

P: Instead, it is how it organises and analyses its materials; it is the perspective from which it views the world that makes it a special field of study.
Q: However, it is not what economics deals with that makes it a distinctive science.
R: Indeed, the list of topics can be greatly extended.
S: Economics is a particular view of reality.