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The greenhouse effect is actually a naturally occuring phenomenon.Energy that is released or reflected by the earth's surface is trapped and reflected back by greenhouse gases in the atmosphere (e.g. carb...

When writing an extended essay, you have the freedom of choosing and researching independently the topic that interests you the most. It is an excellent opportunity to focus on a subject that you particul...

Economic factors contributed significantly to the rise to power of Hitler in Nazi Germany. The Wall Street Crash of 1929 led to economic depression in Germany which caused people to lose trust in the curr...

We can easily identify the first term (5)

The common difference can be found by subtracting the n^th term from the (n+1)^th term

7-5=9-7=11-9=2

Therefore:

U...

Perfect competition is a market structure defined by several key assumptions: a large number of firms, identical (homogenous) products, no barriers to entry (free entry and exit), perfect information and ...