| Term 
 
        | How did the first atmopshere form? |  | Definition 
 
        | exploding gas and rock from stars |  | 
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        | Term 
 
        | What happend to the earths first atmosphere? |  | Definition 
 
        | Helium and Hydrogen went away because solar winds |  | 
        |  | 
        
        | Term 
 
        | How did the second atmopphere form? |  | Definition 
 
        | rocks let all of there water out |  | 
        |  | 
        
        | Term 
 
        | What was the second atmosphere made out? |  | Definition 
 
        | Water Vapor, Nitrogen, Carbon Doxide |  | 
        |  | 
        
        | Term 
 
        | Where did Nitrogen Carbon Doxide and Water Vapor go? |  | Definition 
 
        | Water-rained and made oceas Nitrogen Stayed
 Carbon Dixude into oceans
 |  | 
        |  | 
        
        | Term 
 
        | What is the curent atmopsphere of earth? |  | Definition 
 
        | Nitrogen Oxygen Carbon doxide |  | 
        |  | 
        
        | Term 
 
        | Why is Nitrogen good for humans? |  | Definition 
 
        | nedd it for amino acids in tissues |  | 
        |  | 
        
        | Term 
 
        | Whya is oxygen good for earth? |  | Definition 
 
        | supports combustion and production of food |  | 
        |  |