Question

Based on the way in which seismic waves travel through the interior of Earth, scientists have determined that Earth’s layers may be solid or liquid. Which of the following statements about Earth’s layers is true? a. All of Earth’s layers, except for the outer core, are solid. b. The mantle and inner core are liquid layers of Earth. c. The mantle and outer core are liquid layers of Earth. d. All of Earth’s layers, except for the mantle, are solid.

Answer 1

All the layers except the outer core is in liquid state. So therefore, option - A