Why Did the Terrestrial Planets Lose the Majority of the Gas

question 2

Multiple Choice

Why did the terrestrial planets lose the majority of the gas in their primary atmospheres?

• A) They were too hot and their escape velocities too low to hold onto them.
• B) The solar wind was too strong and blew these gasses off the planets.
• C) Their high surface temperatures made the gas chemically react with the rock.
• D) The centrifugal force from the planets' fast rotation rates made them fly off.
• E) The initial gases were so heavy when the planet differentiated that they sank to the core.

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The official currency of Japan, used in both domestic and international financial transactions.

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The currency issued by the United States, primarily in the form of the US dollar ($).

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The difference between a country's exports and imports over a certain period, indicating whether a country has a surplus or deficit in trade.

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