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Economics is all about models involving assumptions and diagrams. So whenever you're answering a question, you must identify the assumptions relating to it, draw a diagram illustrating your argument an...

The prepositions en and dans both mean "in" in French, and can both express time and location. But they are not interchangeable; their usage depends on ...

Define demand as the willingness and ability of a consumer to pay a certain price for a good or service at a specific period in time. 

Explain the meaning of law of demand, where, ceteris...

To begin with, an introduction must clearly set out what is to be explained in the essay. Key words must be defined. The first key words is "localisation." After defining the key words, the s...

1) Tissue composed of undifferentiated totipoten cells in plants 

2) Found in roots and shoots

3) Responsible for vertical growth

4) produces PRIMARY phloem an...