Which of the Following Is a Hypothesis Regarding the Initial

question 6

Multiple Choice

Which of the following is a hypothesis regarding the initial formation of Earth's magnetic field?

• A) The magnetic field was transferred from the Sun.
• B) Magnetite and other magnetic iron minerals aligned during solidification of the magma ocean.
• C) The magnetic field was generated by Earth's rotation.
• D) The magnetic field originated with Earth.

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Definitions:

Covariance

A measure of how two random variables change together, indicating the direction of their linear relationship.

Standard Deviation

A statistical measure of the dispersion or variability of a set of data points, indicating the degree to which individual data points differ from the mean.

Beta

An indicator of a stock's fluctuation in comparison to the general market, denoting its relative risk to the average market movement.

Diversification

A risk management strategy that involves spreading investments across various financial instruments, industries, or other categories to reduce exposure to any single asset or risk.