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This worksheet allows for investigations into the rise of atmospheric oxygen, changes in carbon dioxide over time and the recent rise in mathane concentrations in our atmosphere.
This resource was reviewed using the Curriki Review rubric and received an overall Curriki Review System rating of 2.3, as of 2016-07-27.
This resource received a 3* rating because it is part of Unit 3: Earth's Atmosphere, which is part of the larger resource Earth Systems Science Curriculum. This larger resource received a rating of 3-Exemplary in the Curriki Review System. You can learn more about this larger resource by reading its review and comments.