I think the answer is number3
Answer: "the Earth's mantle" .
_________________________________________________
The asthenosphere "floats" on the "mantle" [of the interior] Earth.
_________________________________________________
C. The Rocky Mountains I believe, Mt. Elbert is in Colorado and the Rocky Mountains go through Colorado.
B would be the false statement
<span>because a thick mass of ice that originates on land from the accumulation, compaction, and recrystallization of excess snowfall
(land base features)
(highly viscous fluid)
(Glaciers develop and advance over significant time periods more winter snow falls on land that melts in summer)</span>
