What Do These Channels Indicate About Past Events on Mars

question 20

Multiple Choice

What do these channels indicate about past events on Mars?

• A)there were explosive volcanic eruptions
• B)strong winds eroded into a series of volcanic layers
• C)the surface once had running water that eroded and deposited sediment
• D)glaciers once covered the entire planet

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Definitions:

Long-Term Investments

Assets that a company intends to hold for more than one year, such as stocks, bonds, real estate, or machinery.

Unrealized Gain-Equity

The increase in the value of investments that a company holds in other companies' stocks, which have not been sold and thus the gain has not been realized.

Debt Securities

Financial instruments representing a loan made by an investor to a borrower, typically corporate or governmental, which include terms related to the amount, interest rate, and maturity date.

Maturity Value

The amount payable to the holder of a financial instrument at its maturity date, often the principal plus any final interest payment.