Question

The atmosphere of Neptune and Uranus have a blue color because of which gas? Methane Helium Ammonia Hydrogen

Answer 1

Methane gas gives Neptune and Uranus a blue color but they both have high levels of hydrogen and helium in their atmosphere

Answer 2

The atmosphere of Neptune and Uranus have a blue color because of Methane gas.

While both Neptune and Uranus have Helium and Hydrogen in their atmospheres, methane is what gives them both bluish hues.

Hope I could help!