nicolitb2009
nicolitb2009 nicolitb2009
  • 22-10-2020
  • Biology
contestada

explain how sea floor spreading affects the earths crust​

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rosalynrizo63
rosalynrizo63 rosalynrizo63
  • 22-10-2020
Seafloor spreading occurs at divergent plate boundaries. As tectonic plates slowly move away from each other, heat from the mantle's convection currents makes the crust more plastic and less dense. The less-dense material rises, often forming a mountain or elevated area of the seafloor. Eventually, the crust cracks.
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