G3 Science (Chemistry) Maintaining Air Quality Practice
Practise K326/K328 environmental questions, with feedback after each answer. Covers clean-air composition, prescribed pollutant sources and effects, acid rain, the carbon cycle, carbon dioxide and methane, infrared heat trapping and global-warming effects. Emission controls and ozone depletion are excluded.
You can take this as many times as you like.
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Practise
Questions are picked at random each time you start. You'll see your score, the answers and explanations at the end. It's for practice only and doesn't count towards mastery.
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Beyond the syllabus: optional enrichment that does not count towards your progress.