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Can some one hlep me on this review stuff, I have a test on this stuff tomorw and I dont under 

stand none of it. 

1.)Ancient Atmosphere ( Pleas fill in the blank)               Current Atmosphere

Gases= H2 and He                                                         Gases= O2 and N2

Suface Features=                                                           Suface Features= Water

Temperature= Mild/ Hot                                                 Temperature= Cooled                                               

 2.) What are the layers of the Atmosphere? Pless put thyme in older for me. 

3.) What layers of the Atmosphere dose life and weather happen?

4.)Where is the ozone?

* Pless fix the ones on nummber 1.) if I got thyme rong. Thanks.

 
 Sep 21, 2014

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