Glacial Ice Forms for All of the Following Reasons EXCEPT

Glacial ice forms for all of the following reasons EXCEPT:

A) air circulating through the spaces in accumulated snowpacks causes some of the snow to sublimate.
B) winter low temperatures probably contribute less to glacial growth than cool, cloudy, brief summers.
C) water produced by pressure melting migrates to open spaces in the snowpack and refreezes.
D) most precipitation in glacial areas consists of hard- packed snow pellets called firn.