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There were four main causes of the First World War before the assassination of Archduke Franz Ferdinand, nationalism, imperialism, militarism and alliances. Nationalism: this caused aggression between the na...

Treat the > as an = and solve the equation as you normally would. So for the inequality 7x+2 > 2x-3, pretend it was 7x+2 = 2x-3 and solve that. Just make sure you always replace where you'd write an = ...

Vaccines are made of dead or inactive pathogens. White blood cells in the body come into contact with the pathogen and produce antibodies which destroy the pathogen. The body produces memory cells which mean...

I've foung the best way to structure an introduction is to use the (upside down) pyramid method. You open with a broad statement that links to the general topic you'll be covering, followed by a more pointed...

So to mention anything about hydrocarbons, you first have to find the longest chain of carbons in the molecule! It doesn't have to be straight - it can be bent, or turn in a circle or anything like that! So ...