a2
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Posted: 17-01-13 by Olivia
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Posted: 20-03-11 by Chris
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Posted: 20-03-11 by Chris
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Posted: 17-01-13 by Olivia
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describing how the rate of sea-floor speading is calculated
Posted: 17-01-13 by Olivia
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Posted: 23-11-10 by Eleanor Holder
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Posted: 16-06-12 by alex monk
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Posted: 17-01-13 by Olivia
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Posted: 31-12-11 by Samuel Liggins
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Posted: 13-05-12 by Jessica
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Showing 1 to 10 of 10
