Earth's Solid Inner Core Results from the Fact That the

question 85

Multiple Choice

Earth's solid inner core results from the fact that the

• A) outer core is heated and melted by friction between the core and the mantle, and this heating does not extend to the inner core.
• B) melting temperature of an iron-nickel mixture increases with increasing pressure and rises above the actual temperature in the inner core.
• C) inner core has a different composition than the outer core, with a higher melting temperature.
• D) temperature of the inner core is lower than the temperature of the outer core, producing a temperature inversion.

---

Definitions:

Real Interest Rate

The rate of interest an investor expects to receive after allowing for inflation, showing the real cost of funds to the borrower and the real yield to the lender.

Domestic Investment

The total capital expenditure within a country's borders, primarily by residents and businesses, on assets like buildings and equipment.

Domestic Interest Rate

The rate at which interest is paid by a borrower for the use of money that they borrow from a lender within the domestic market.

Loanable Funds

The money available for borrowing in the financial markets, coming from savings that consumers and businesses want to lend out.