A short video/audio guide explaining the nitrogen cycle: N2 in the atmosphere is inert; nitrogen-fixing bacteria and decomposition produce ammonia/ammonium; fixation can also occur with lightning; nitrifying bacteria produce nitrates; nitrates enter the food chain through plants; denitrifying bacteria return some N2 to the air.
Designed for GCSE revision, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.
Designed for GCSE revision, this high res animation is comprehensive in its coverage, and can also be used on a large screen as your main teaching resource for the topic.
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£3.00