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B3 - exchange surfaces SEPARATE SCIENCE!

I am so confused. Any videos or advice to help!?!
Reply 1
https://youtube.com/watch?v=bQ8JB5J_H-U

Let me know if you have any questions or still don't understand. :smile:
Reply 2
Original post by Datalwo
https://youtube.com/watch?v=bQ8JB5J_H-U

Let me know if you have any questions or still don't understand. :smile:


Thank youuu... Is there anything else i need to learn in that topic in more depth
Reply 3
Original post by PinkBoy
Thank youuu... Is there anything else i need to learn in that topic in more depth


Watch this video too.
https://youtube.com/watch?v=anKbrc0Yp2c

Then you can see what the specification says and see if you know what you need to know.
http://www.aqa.org.uk/subjects/science/gcse/biology-4401/subject-content/unit-3-biology-3

Edit: See these exam questions too. http://www.logs.uk.com/sites/default/files/B3%201%20Exchanges%20Materials%20%20Questions%20and%20Answers.pdf
(edited 7 years ago)

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