The mantles of Uranus and Neptune are believed to contain each of the following EXCEPT:
A)liquid molecular hydrogen.
B)liquid metallic hydrogen.
C)liquid helium.
D)liquid methane.

Question

Quizplus · Accepted Answer

Uranus and Neptune are ice giants with mantles believed to contain substances like liquid molecular hydrogen, liquid helium, and liquid methane, but not liquid metallic hydrogen. Liquid metallic hydrogen is thought to be present in the deeper interiors of the larger gas giants, Jupiter and Saturn, due to their higher pressures and temperatures.

The Mantles of Uranus and Neptune Are Believed to Contain