Which two of these characteristics are shared by the planets Uranus and Neptune?

Some of the similarities between the planet Uranus and Neptune are:

Both the planets have many similarities in their internal structures. The internal structure of both the planets is made up of water, ammonia gas and methane gas. Both Uranus and Neptune have an Earth - sized solid center. The atmosphere of both the planets comprises of the gases, hydrogen, helium and methane. Due to the presence of methane gas, both the planet Uranus and Neptune have the same blue colour.