Multiple Choice
Which of the following is a requirement for a planetary magnetic dynamo?
A) a permanently magnetized crust
B) a solid iron core
C) a liquid interior
D) polarized liquid water oceans.
E) a large moon
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q83: Present-day erosion on the surface of the
Q84: Of the terrestrial planets, which has the
Q85: The rovers named Spirit and Opportunity that
Q86: How does a chain of shield volcanoes,
Q87: What is the age of the Moon,
Q89: Which answer gives the correct order of
Q90: Why does Earth have a stronger magnetic
Q91: Suppose that two planets of the same
Q92: Which of the following is a factor
Q93: Three different things can happen when two