The answer depends on which planets "these" refers to.
they are both planets
they are both planets
Five.
earth and venus are alike because they are both on the inner planets
Neptune > Earth > Mars > Mercury Largest ---> Smallest
Every planet
7
both planets
What about planets??? Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
in line Neptune is 5th away from the earth
The Jovian planets start with Jupiter, then Saturn, then Uranus, and finally Neptune.
Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto.