Sea-floor spreading true & false
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True
Crust is neither created nor destroyed along a transform boundary.
False
Plates can carry continents or parts of the ocean floor but not both.
False
The mid-ocean ridges are completely under water.
False
The mid-ocean ridges are found only below the Pacific Ocean.
True
The mid-ocean ridges were mapped using sonar.
True
The tops of some mid-ocean ridges are split by a steep-sided valley.
