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Macroeconomics is the study of aggregate behaviour of the economy. The main macroeconomic variables include output, employment, inflation, interest rates and exchange rates. These variables play a vital role...

Plants have cells within them called photoreceptors. These receptors are light sensitive and the plant can detect the strength and direction of light, which is important for photosynthesis. The mechanism of ...

A Lewin's Force Field Analysis is used in order to weigh up the driving forces for change (pros) and the restraining forces resisting change (cons). Note: These forces for change can be both internal and ext...

A passive using sein (das Brot ist geschnitten) denotes more of a state and a result, whereas a passive using werden (das Brot wird geschnitten) emphasises the process and immediacy.

The standard model is a 'catalogue' of subatomic particles (the smallest building blocks of everything in the universe). It categorises these subatomic particles based on their properties and has predicted t...