https://www.khanacademy.org/science/revision-term-2-tg-biology-class-8/x04828215b460a495:week-2/x04828215b460a495:the-world-of-microorganisms-part-i-ii/v/nitrogen-fixing-middle-school-science-khan-academy 2025-03-06T03:29:07.687997642Z Nitrogen Fixing Ever wondered why plants need nitrogen but can’t just take it from the air? Shankar Nair video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Nitrogen Fixing Ever wondered why plants need nitrogen but can’t just take it from the air? https://cdn.kastatic.org/ka-youtube-converted/iQmLJ6zZxcI.mp4/iQmLJ6zZxcI.mp4 411 Nitrogen Fixation