Exam (elaborations)
OCR 2023 GCSE Combined Science Biology A Gateway Science J250/01: Paper 1 (Foundation Tier) Question Paper & Mark Scheme (Merged)
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2 © OCR 2023 Section A You should spend a maximum of 20 minutes on this section. Write your answer to each question in the box provided. 1 Which of these substances is transported out of the human body as waste? A Blood B Food molecules C Oxygen D Urea Your answer [1] 2 The graph shows...
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