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What is cr...
3 years ago
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1 Reply
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Shania Hoeger
1 Answer
Experienced, Supportive Teacher|KS3 & GCSE Science & A Level Biology
Crude, means 'rough' or 'unfinished'. It is therefore the starting product of oils. These are fossil fuels that have to be 'refined' (made purer) and separated off to make useful products to us.
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