Which of the Following Observations Led Astronomers in the Late

question 2

Multiple Choice

Which of the following observations led astronomers in the late 1800s to suspect that there might be life on Mars?

• A)Seasonal variations in dark surface markings
• B)The observation that its atmosphere is largely oxygen
• C)The detection of liquid water on the surface of Mars
• D)Unexplained flashes of light on the night side of the planet

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Definitions:

Margin Deposits

Funds that an investor must deposit as collateral to borrow from a broker to buy securities, typically used for trading on margin.

Call Options

Financial derivatives that grant the holder the option to purchase stocks or other assets at a predetermined price before the option expires.

Put Options

A financial contract granting the owner the right, but not the obligation, to sell a specified amount of an underlying asset at a set price within a specified timeframe.

Break-Even Price

The market price that an asset must reach for an investor to recover their initial investment without making a profit or loss.