A given layer of glacial ice initially formed from a layer of snow that fell
A)the same year.
B)the year before.
C)10 to 20 years before.
D)hundreds of years before.

Question

Quizplus · Accepted Answer

Glacial ice typically forms from layers of snow that have remained over time and have been compressed into ice. This process can take 10 to 20 years as the snow undergoes gradual transformation through compaction and recrystallization.

A Given Layer of Glacial Ice Initially Formed from a Layer