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The inner planets include:

  • A.Mercury, Venus, Earth and Jupiter
  • B.Mercury, Venus, Saturn and Mars
  • C.Saturn, Jupiter, Neptune and Uranus.
  • D.Mercury, Venus, Earth and Mars.

Answer: D

The inner planets are Mercury, Venus, Earth and Mars.

They lie inside the asteroid belt and are small, dense and rocky, having formed close enough to the sun for volatile compounds to be driven off. The four outer planets are gas and ice giants.

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