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US Presidential candidates talk a lot, about a lot of things. Foreign Policy is a historic talking point for Democratic and Republican candidates alike, for separate reasons. Pundits argue that Foreign Po...
With English Literature at GCSE, questions are based on set texts (novels, plays, poems) and sometimes extracts are given to aid answers. An example of such a question is that on unseen poetry , where stu...
The thermal history of a sedimentary basin, where hydrocarbons and coals form, plays a crucial role in controlling the formation of economic deposits of hydrocarbons and ...
A waxy cuticle is present. This is a waterproof, transparent layer that prevents evaporation of water due to heat from the sun. Because it is transparent, it allows sunlight to pass through to the palisad...
The body has many ways in which it deals with 'foreign invaders', like a rhinovirus (the virus responsible for the common cold). Once an infective micro-organism enters the body, lots of different cell t...
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