Why Does the Moon Have a Layer of Powdery "Soil

question 63

Multiple Choice

Why does the Moon have a layer of powdery "soil" on its surface?

• A)Large impacts shattered lunar rock to make this soil.
• B)The soil exists because the Moon accreted from powdery material after a giant impact blasted Earth.
• C)Volatiles escaping from the Moon's interior bubble upward and make the soil.
• D)The soil is the result of the same processes that make powdery sand on Earth.
• E)It's the result of gradual erosion by micrometeorites striking the Moon.

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Definitions:

Salvage Value

The estimated residual value of an asset at the end of its useful life, used in accounting for depreciation calculations.

Estimating Cash Flows

The process of forecasting the amounts of cash that will be received and spent by a business in a future period.

Replacement Projects

Investments undertaken to replace old or damaged assets in order to maintain operational efficiency.

Perpetuity Formulas

Mathematical equations used to calculate the value of payments or cash flows that continue indefinitely.