Which of These Metals Is/are Often Used to Help Prevent

question 4

Multiple Choice

Which of these metals is/are often used to help prevent the rusting of iron?
I. Al
II. Zn
III. Mg
IV. Na

• A) I only
• B) II only
• C) I and III
• D) I, II, and IV
• E) I, II, and III

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Definitions:

Expansionary Monetary Policy

A policy by the central bank to increase money supply and encourage economic growth, typically through lowering interest rates.

Fed

Short for Federal Reserve, the central banking system of the United States, responsible for monetary policy.

Market Interest Rate

The prevailing rate at which borrowers can obtain loans and depositors can earn on their investments in the financial market, influenced by supply and demand forces.

Money Supply

The whole value of monetary assets available in an economy at a certain instance.