Neptune's cirrus clouds are probably made of
A) methane ice.
B) water ice.
C) carbon dioxide ice.
D) frozen oxygen.

Name: Neptune's cirrus clouds are probably made of A) methane ice. B) water ice. C) carbon dioxide ice. D) frozen oxygen.
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Question

Quizplus · Accepted Answer

Neptune's atmosphere is mostly composed of hydrogen and helium, but also contains trace amounts of methane gas. When this methane gas rises to higher altitudes, it can condense and form clouds made of methane ice, including cirrus clouds.

Neptune's Cirrus Clouds Are Probably Made of