Author Question: The presence of a magnetic field is a good indication that A) the Earth's interior is similar to ... (Read 58 times)

123654777 · **on:** Jul 27, 2018

The presence of a magnetic field is a good indication that

A) the Earth's interior is similar to Mercury's, as both have fields.
B) a huge iron meteorite lies somewhere high up in the mantle, not in the core.
C) the Earth has a liquid metal outer core, spinning rapidly as it rotates.
D) the Earth's interior has had time to solidify, with a rigid bar magnet created.
E) the Earth's interior must be completely molten to the center.

Question 2

While most pulsars slow down over time, millisecond pulsars spin faster due to mass transfer from a close companion.

Indicate whether the statement is true or false