Question

All planets in the solar system have surfaces that are made up of either one of two materials. What are the two materials?

Answer 1

Answer:

Earth and the other three inner planets of our solar system (Mercury, Venus and Mars) are made of rock, containing common minerals like feldspars and metals like magnesium and aluminum. So is Pluto. The other planets are not solid.

Explanation:

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Answer 2

Answer:

dust and gas

Explanation:

not all planets are made of rock