9
QuizMultiple Choice

Characteristics of the Seafloor

Question 9 • RMA FL-2001310-Earth/Space Science Semester 2

Which statement describes the relationship between seafloor spreading and continental drift?

Answer
A
As the seafloor spreading occurs, the continents do not move.
B
As the continents move, they pull the seafloor with them.
C
As the continents move, they create new seafloor at the coast.
D
As the seafloor spreading occurs, the continents move.

Explanation

Seafloor spreading occurs when magma rises at mid-ocean ridges, cools, and forms new oceanic crust. This pushes older seafloor outward and helps move the tectonic plates, carrying the continents with them. Therefore, the statement that seafloor spreading causes the continents to move is correct; continents do not create new seafloor at the coast.

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