Educational Media Awareness Campaign/Geography: Climate/POTD 5

The Nitrogen Cycle
The diagram shows the storage and exchange of nitrogen between the atmosphere and the biosphere, highlighting the role of bacteria. The atmosphere is about 78% nitrogen. Click on the image for a full size version which you can freely re-use and modify. Print it and use it for your lessons, integrate it into your pages on Wikiversity, or use it in other learning resources and websites. Use the links below to find more images like this one.

Atmosphere images - Climate images - Environment images
Geography images in general

This image is a part of the
Educational Media Awareness Campaign, raising awareness among educators about the availability and usage of millions of free internet media in education.