For A level students studying OCR Biology.
A detailed booklet on all you need to know about Exchange Surfaces.
To print: select ‘print double sided on SHORT EDGE’.
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For the price, this is unacceptable, basic and includes no exam questions as you would expect a booklet to include. There are free resources that ten times better than this. Really dissapointed. *Please leave reviews on resources you have paid for to help others, good or bad.*
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