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Edexcel As government and politics unit 1 and 2

So I'm looking to revise for two I topics for unit 1 and three for unit 2, however I was wondering if the 25 and 40 marker can be on any of the four topics, its my first time actually revising for politics as I had other exams on subjects that I found harder so I prioritised them more but now I'm dreading it, however I'm still looking to achieve full marks any tips, what are you predictions on the questions that are going to come up, can anyone pm and help me or send me revison notes on here or through pm and also how do I answer a 40 mark question and what is the best way to revise in 10 days but still get good grades. If appreciate it if anyone helps me as I'm struggling a lot right now and I don't know how to cram revision. Thank you