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judy11

my flash cards for science

QuestionAnswer
what is sea-floor spreading sea- floor spreading is a process that slowly adds new rock to the ocean floor.
what is a divergent boundary a divergent boundary is when two plates move away from each other in opposite directions.
what is a convergent boundary a convergent boundary is when two plates collide with each other causing a mountain.
what is the parts of the mantle the lower mantle, the upper mantle and the lithospere.
Created by: _briannab44_
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