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A Tree Diagram is a useful tool to calculate probabilities. By drawing a "Tree Diagram" and writing down all possible outcomes, it is very easy to calculate simple probabili...

Macroeconomics is the study of aggregate behaviour of the economy. The main macroeconomic variables include output, employment, inflatio...

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 ...

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 ...

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.