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SHAPING EARTH’S SURFACE
CHAPTER 4 LESSON 2 SHAPING EARTH’S SURFACE
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4.2 INFORMATION
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C. OCEAN BASINS
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MID-ATLANTIC RIDGE
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LAVA FORMS NEW CRUST At convergent plate boundaries and divergent plate boundaries, lava hardens and forms new crust
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LAVA FORMS NEW CRUST At an oceanic divergent plate boundary, newly formed crust is added to the edges of the plates as new ocean crust
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MID-OCEAN RIDGES Long, narrow mountains formed by magma at divergent boundaries
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MID-OCEAN RIDGES Three-quarters of all lava erupts at mid-ocean ridges
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MOUNTAINS FORM Most mountains form near plate boundaries because folding and crumpling usually occur at the edges of plates
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MOUNTAIN RANGES Large mountain ranges form when two continents collide at a convergent plate boundary.
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HIMALAYAS The Himalayas are the world’s largest and highest mountain range, and they are still growing
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HIMALAYAS FORMING
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