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1-2: Evolution of the Earth's Atmosphere | 1-2: En Español | 1-2: Em Português |
Importance of this Unit to the Course
In order to understand the current composition and rates of
change of the atmosphere and climate system described in Blocks 1 and
2, we need to gain an overview of how the atmosphere evolved to its
present state. By knowing the natural composition and rates of
change, we can better recognize human contribution to current
changes.
Objectives
Preparation for Discussion (You must complete this section before class.)
Discussion
(online / face-to-face) (See your portfolio for due dates and times)
A major component of the course is participation in the online dialog.
The following types of comments are required:
Earth is the only planet we know of that has life. What role has biological life played in the evolution of the earth's atmosphere?
Additional Reading