How Might You Separate a Mixture of Sand and Salt

question 7

Multiple Choice

How might you separate a mixture of sand and salt?

• A)with tweezers and a magnifying glass
• B)just add water
• C)heat the mixture until one of the components melts
• D)Two of the above answers are reasonable.

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Definitions:

Inflation

A period when prices in general are rising and the purchasing power of money is declining.

Price Levels

General price indices reflecting the overall movement of prices within an economy over a period of time, affecting purchasing power and inflation rates.

Present Value

The present worth of a future sum of money or series of cash flows, considering a given return rate.

Compound Interest

In this method, interest is accrued on the principal sum as well as on the interest that has been accumulated over prior periods of the investment or loan.