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What is the predominant energy system used during high intensity, short duration activity lasting up to 3 seconds?

The main energy system during high intensity, short duration work lasting up to 3 seconds is the ATP-PC system. This is an anaerobic energy system which uses phosphocreatine as its fuel source. PC (phosphocr...
HB
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What is the significance of US Foreign Policy during US Presidential elections?

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 Polic...
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Unseen poetry question - Referring to Patience Agbabi's poem 'Eat Me' - how does the poet use language to convey an unequal male-female relationship?

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 studen...
AH
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“The formation of economic deposits of hydrocarbons and coals solely results from the thermal alteration of organic material” Evaluate this statement with reference to geological processes.

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 coals. For hydrocarbon deposits, the ...
Answered by • Geology tutor
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Describe the structure of a plant and explain it's functions. (6 marks)

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 palisade l...
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Answered by Uswa S. • Biology tutor
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