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how are island arcs created

hot spots in the earths core cause intense heating of the crust. This heating causes magma to rise and break the sea floor. a volcano is formed. Over time, due to tectonic plate movement (wegener) the crust ...
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Answered by Rory H. • Geography tutor
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Why are nitrogen and phosphorus vital in photosynthesising plants

Phosphorus is a vital building block and is used in the compound ATP, it is also a vital component within nucleotide and protein synthesis with the sugar phosphate backbone found in DNA and RNA being compose...
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Answered by Rory H. • Biology tutor
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integrate( x^3+4x^2+3)dx

=(x^4)/4+(4x^3)/3 + 3x + c
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Answered by Rory H. • Maths tutor
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Which quotes should I learn for my exam?

The key point is to learn quotes that will be useful. Sort your quotes into topics, where the topic heading is something that an exam question might ask about. Then work the other way, choosing a quote and s...
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Answered by Tom A. • English tutor
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"O most pernicious woman!" Discuss the presentation of women in 'Hamlet'.

There are two female characters in 'Hamlet': Gertrude, Hamlet's mother and Queen of Denmark, and Ophelia, Hamlet's would-be lover. The women themselves have relatively little stage-time, so they are mostly p...
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Answered by Tom A. • English tutor
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