Which of the following statements is INCORRECT?
A) The earth's lithosphere consists of a number of plates which develop oceanic ridges due to larva upwells from the earth's mantle.
B) Plate tectonics recognises that the earth's crust and mantle are divided into plates that move relative to each other.
C) Deep-sea trenches are formed when the earth descends back into the mantle.
D) Continents are of lower density than the earth's crust and so they tend to remain on the surface.
E) The floor of the deep-sea trenches are very old and provide important information on the Precambrian era.

Question

Quizplus · Accepted Answer

The floor of deep-sea trenches is not very old; it is relatively young due to the process of subduction, where older crust is recycled back into the mantle.

Which of the Following Statements Is INCORRECT