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Type: Open-Ended
Category: Biogeochemical Cycles
Level: Grade 6
Tags: nitrogen cycle
Author: erynhuntington
Created: 9 years ago

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Biogeochemical Cycles Question

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Grade 6 Biogeochemical Cycles

Nitrogen is a component of DNA and of the proteins that make up cells, but the nitrogen gas in the atmosphere is in a form most organisms cannot use directly. Describe how "nitrogen fixation" makes the gas usable to plants.