Generally,it will take _________ for firn to turn into glacial ice.
A)a few hours
B)a few days
C)a few years
D)tens of years

Question

Quizplus · Accepted Answer

Firn, which is compacted snow that has survived a summer melt season, typically takes tens of years to transform into glacial ice. This process involves the gradual compaction and recrystallization of snowflakes into larger ice crystals under the pressure of overlying snow.

Generally,it Will Take _________ for Firn to Turn into Glacial