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What do the four planets closest to the Sun have in common?
AThey have solid rocky surfaces
BThey have thick gassy surfaces
CThey have many rings each
DThey have no moons at all
Answer & Solution
Correct answer: A. They have solid rocky surfaces
1. The four planets nearest the Sun are Mercury, Venus, Earth and Mars.
2. All four have solid rocky surfaces, so they are called terrestrial planets.
3. The planets further out are much larger and made mainly of gas.
4. Those outer planets are the ones that carry many rings and many moons.
_Source: Siyavula Natural Sciences Grade 8 (CC BY 4.0), Objects around the Sun_