Sea-floor spreading true & false

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.