seafloor spreading - the geological process by which new oceanic crust forms at mid-ocean ridges through volcanic activities and then slowly moves away from the ridges, oceanic crust - this is formed when seafloor spreading happens, mid oceanic ridge - the landform found when two oceanic plates diverge, older - _____ rocks are found further away from the mid-oceanic ridge, destroyed - at convergent plate boundaries, crust is _________., trenches - older oceanic crust is destroyed at ocean ________., constructive - another word for divergent plate boundaries, destructive - another word for convergent plate boundaries., ocean trench - the landform that forms at convergent plate boundaries, volcanic activity - this phenomenon leads to the formation of new rock, limited sediment - evidence of _____ ______ accumulation: older crust are destroyed at convergent plate boundaries, hence Earth does not grow "bigger', rock ages - evidence of ________: older rock is found further from the mid oceanic ridge, but younger rock is found nearer to it,

Plate tectonics 1.2 | Key words

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