Which planet is the smallest among the terrestrial planets?

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Multiple Choice

Which planet is the smallest among the terrestrial planets?

Explanation:
Among the rocky, inner planets, size varies. Mercury is the smallest, with a diameter of about 4,879 kilometers, which is smaller than Mars (~6,792 km), Venus (~12,100 km), and Earth (~12,742 km). So Mercury is the smallest planet among the terrestrial planets. Its compact size is a defining feature of Mercury, and despite being closest to the Sun, it never grew as large as the other rocky planets.

Among the rocky, inner planets, size varies. Mercury is the smallest, with a diameter of about 4,879 kilometers, which is smaller than Mars (6,792 km), Venus (12,100 km), and Earth (~12,742 km). So Mercury is the smallest planet among the terrestrial planets. Its compact size is a defining feature of Mercury, and despite being closest to the Sun, it never grew as large as the other rocky planets.

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