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The aggregate demand (AD) is the total quantity produced in an economy at a given price and is equal to the national income and real GDP.
AD is composed of 4 parts: Consumption (C), Investment (I),...

In summary, the system of democracy practised in the Federal Republic bears some striking similarities to that of the Weimar Republic. In terms of overall structure, the role of elections and the nature o...

For molecules to react with each other, they need to react frequently with the correct speed, enough energy and in the correct direction. An increase in temperature increases the kinetic energy of molecul...

There are two main steps. First find the gradient of the curve at x = 2 (m). This is done by differentiating the curve equation y = 3x^2 + 4 to get dy/dx = 6x. By plugging in x = 2, we get the gradient of...

This tense is one of the past tense used to describe completed actions.It can often be confused with the imperfect tense- however the passé composé is used when the action is not continued into the presen...