What Is the Observed Feature That Suggests That Mercury's Iron

question 13

Multiple Choice

What is the observed feature that suggests that Mercury's iron core is at least partly molten?

• A) presence of a global magnetic field
• B) background sloshing sound in radio transmissions sent back by the Mariner 10 spacecraft
• C) irregularities in Mercury's rotation rate
• D) extensive lava flows near the regions of greatest tidal stress, such as the Caloris Basin

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Definitions:

Compound Interest

Interest determined on the original amount of a deposit or loan, incorporating all the earned interest from past periods as well.

Compounded Semiannually

A method of calculating interest where the interest is added to the principal twice a year, leading to interest earned on interest.

Compounded Annually

This refers to the process of calculating interest on an investment or loan on a yearly basis, where interest from one year is added to the principal for calculation of interest in the next year.

Present Value

The current value of a future sum of money or stream of cash flows, given a specified rate of return.