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【正文】 fuels Do not accept plants use carbon dioxide for respiration 2 (b)(i) Because these gases / molecules contain the elements / atoms in amino acids Or the gases / they contain carbon, hydrogen and nitrogen Ignore oxygen 1 Mark scheme Higher Version Copyright 169。 AQA and its licensors. All rights reserved. Mark scheme Higher Version Copyright 169。 AQA and its licensors. All rights reserved. Version Copyright 169。 AQA and its licensors. All rights reserved. Q Answer Extra Information Mark (a) A core B mantle C crust 1 1 1 (b) Any 2 from: ?Carbon dioxide dissolves / absorbs in water / oceans ?Plants/ algae ph
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