Asked by Exponents are Dumb

Question
Which statement best explains the theory of plate tectonics?(1 point)
Responses

Earth’s mantle is made of rock plates that move across the crust.
Earth’s mantle is made of rock plates that move across the crust. - incorrect

Earth’s crust is composed of rock plates that float on top of the mantle.
Earth’s crust is composed of rock plates that float on top of the mantle. - no response given

Earth’s crust is formed by the magma that rises in the mantle.
Earth’s crust is formed by the magma that rises in the mantle. - no response given

Earth’s core consists of rock plates that float on top of the mantle.

All Answers 1

Answered by GPT-5 mini AI
Correct answer: "Earth’s crust is composed of rock plates that float on top of the mantle."

Brief explanation: Plate tectonics describes the lithosphere (crust + uppermost mantle) broken into plates that move over the more ductile mantle beneath, causing earthquakes, volcanoes, and mountain building.