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Why are Mercury, Venus, Earth and Mars called the "terrestrial" planets?
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A. They are all made of rock.
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B. They all have liquid cores and rocky surfaces.
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C. They all have solid cores.
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D. They have all been able to support some form of life.

User Elo
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1 Answer

4 votes

Answer:

A. They are all made of rock.

Step-by-step explanation:

User Pham Cuong
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