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This is because when one divergent boundary is occurring (more sea floor being made), convergent boundaries are occurring (the sea floor is being consumed) on the other sides of the plates, such as what is occurring at the Mariannas Trench in the Pacific Ocean.
What else can I help you with?
How does ice erosion effect Earth's surface?
It doesnt effect the earths surface, it affects the the earth surface by expanding cracks in the ground.
What percent of the earths surface is the US?
100
How much of earths oceans cover earths surface?
70% or 80% of water covers the earths surface
Does the outer core cover earths surface?
No the crust covers earths surface
Why are map projecters needed?
to draw the earths surface.
Why are there are almost no extrusive ultra basic rocks in earths crust?
There are almost no extrusive rocks on the earths surface because they are all under the earths surface. They are mainly lower than the earths surface.
What forces below earth surface shape landforms?
The tectonic plates below earths surface shape earths landforms
What Continuous movement of water from Earths surface to the and back to earths surface?
it is water cycle
What is under the earths surface and in the earths crust?
mantle
What is true about plutons?
they form above earths surface (THIS ANSWER IS NOT CORRECT) They Form BELOW earths surface(:
What effect do sea floor and subduction have on earths surface?
They both can change the size of Earths Surface
What season is it when the sun is heating earths surface the most?
It is summer when the sun is heating earths surface the most.
