Which of the Following Is Not a Reason That Scientists

question 38

Multiple Choice

Which of the following is not a reason that scientists have inferred that the core consists mostly of iron?

• A) Iron is the only common element that accounts for the high density of the core.
• B) Liquid iron in the core can explain Earth's magnetic field.
• C) Molten iron's typical movement accounts for the wobbly rotation of Earth on its axis.
• D) Some meteorites consist mostly of iron and appear to be likely analogs for planet cores.