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7 Cards in this Set
- Front
- Back
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layers of the earth |
crust, mantel, inner core, outer core, |
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continental drift |
the extremely slow movement of the continents across the surface of the earth |
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what causes plates to move |
geological action at plate boundaries |
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carbon cycle |
shows how carbon in recylced |
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the gases in the earth |
Nitrogen (78%) carbon dioxide (0.03) oxygen (21) others (0.9) |
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cement |
a powdery substance made by limestone and clay |
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electroylsis |
the seperation of somthing using electricty |
