The internal structure of Earth is a
A) core of solid rock extensively enriched in iron,surrounded by a solid mantle of pure rock.
B) large core of iron,partly solid and partly molten,surrounded by a thick,flexible mantle of rock.
C) large,solid iron core surrounded by a thick,flexible mantle of rock.
D) core of rock and iron,surrounded by a mantle of liquid hydrogen.

Question

Quizplus · Accepted Answer

Observations of seismic waves and measurements of the Earth's magnetic field indicate that the Earth has a large core of iron, partly solid and partly molten, surrounded by a thick, flexible mantle of rock.

The Internal Structure of Earth Is a