Which four planets are also called the terrestrial planets?
AInner planets (Mercury, Venus, Earth, and Mars)
BInner planets (Earth, Mars) and outer planets (Jupiter, Saturn)
CInner planets (Mercury, Venus) and outer planets (Uranus, Neptune)
DOuter planets (Jupiter, Saturn, Uranus, and Neptune)
Correct answer
A. Inner planets (Mercury, Venus, Earth, and Mars)
Explanation
The planets Mercury, Venus, Earth, and Mars, are called terrestrial because they have a compact, rocky surface like Earth’s terra firma. The terrestrial planets are the four innermost planets in the solar system.