Challenge has finished
A publisher needs an image suitable for the cover of a high school chemistry book. The client imagines beakers and test-tubes but is equally interested in images of elements and compounds. The most important consideration is that the book not be confused with physics, biology or geology.
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Wednesday, 4th September, 2013 (GMT)
Wednesday, 11th September, 2013 – Tuesday, 17th September, 2013 (GMT)
Wednesday, 18th September, 2013 – Tuesday, 24th September, 2013 (GMT)
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