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Government Expenditure is an injection into the circular flow of income and can be represented in an Aggregate Demand/Aggregate Supply Diagram as an increase in aggregate demand. (Shows on diagram shift i...

Aggregate demand can be defined as the total demand to the output a country’s economy at a given time interval and given price level. It is calculated through the formula AD=Consumer Spending (C)+ Investm...

There are three blood vessel types in humans: arteries, veins and capillaries.Arteries pump blood away from the heart (easy point to remember - "A" in arteries = AWAY from the heart) while veins...

The price elasticity of demand, also known as PED for short, is a measure of how responsive consumers of a product are to a change in price. In a competitive business market, its important for producer to...

Water has adhesive properties which allow the polar water molecules to adhere to other hydrophilic surfaces such as cellulose. This aids the movement of water through xylem vessels in plants. Water also h...