GCSE level School biology notes: Carbon, nitrogen & water cycles, factors affecting decay rate
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Carbon Cycle, Nitrogen Cycle, Water Cycle, Decomposition - decomposers and useful decay - What are they all about? All is explained , including experimental investigations Doc Brown's GCSE level biology exam revision study notes Sub-index for this section on natural cycles and decomposition (1) Introduction to natural cycles in the Earth's biosphere (2) The Carbon Cycle (4) The Water Cycle (5) Decomposition - importance, factors affecting rate of decay of material by decomposers (6) An experiment to investigate the effect of temperature on the rate of decay of milk (7) Biogas from waste: process, generator designs, rate factors, 'pros and cons, biofuels' (8) Making compost - a natural organic fertiliser (9) Fungal and bacterial decay and methods of food preservation WHERE NEXT? See also Ecosystems - biotic & abiotic factors - interactions between organisms - interdependency Find your GCSE science course for more help links to revision notes Use your mobile phone in 'landscape' mode? This is a BIG website, you need to take time to explore it [Website Search Box] HOME PAGE of Doc Brown's Science UK KS3 Science Quizzes for KS3 science students aged ~11-14, ~US grades 6, 7 and 8 Biology * Chemistry * Physics UK GCSE level students aged ~14-16, ~US grades 9-10 Advanced Level Chemistry for pre-university age ~16-18 ~US grades 11-12, K12 Honors
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