Nitrogen Cycle - for A level

All you need to know for the nitrogen cycle at A level - in one contextual diagram rather than the near-meaningless boxes that appear in many textbooks :) AND exam question help. I also point out the biological significance of various parts of the cycle - in particular nitrogen fixation and the fundamental importance of nitrogen getting into plants. Hopefully the diagram will help this topic become more like a story that will help you understand and therefore remember it.
All my videos are time-stamped within the first minute so that you can jump to the bits you need:
Context: 00:10
Content:
N-cycle diagram 00:40
Exam question help: 06:45

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Видео Nitrogen Cycle - for A level канала biology carol