Question

planets in earth’s solar system are grouped according to their dist inner: venus → made of rock outer: neptune → made of gas inner: mars → made of gas outer: jupiter → made of rock inner: saturn → made of rock outer: earth → made of rock inner: uranus → made of gas outer: mercury → made of gas

Explanation:

To solve this, we recall the classification of solar system planets: Inner planets (Mercury, Venus, Earth, Mars) are rocky (terrestrial), Outer planets (Jupiter, Saturn, Uranus, Neptune) are gaseous (or ice - giant for Uranus/Neptune).

• Check the first option: Venus is an inner rocky planet, Neptune is an outer gaseous planet. This matches.
• Second option: Mars is inner and rocky (not gas), Jupiter is outer and gaseous (not rock) – incorrect.
• Third option: Saturn is outer (not inner), Earth is inner (not outer) – incorrect.
• Fourth option: Uranus is outer (not inner), Mercury is inner and rocky (not gas) – incorrect.

Answer:

A. Inner: Venus → made of rock; Outer: Neptune → made of gas