The three stages involved in the formation of a glacier are the ...

[Sufayan.ah]

The three stages involved in the formation of a glacier are the precipitation of
  ___________________ _; the formation of ___________________ _ by partial thawing, refreezing, and
  crystallization; and compaction and recrystallization to produce ___________________ _
  ___________________ _. Fill in the blank(s) with the appropriate word(s).

Question 2

Glaciers move primarily by ___________________ _ flow. Fill in the blank(s) with the appropriate word(s).

[ngr69]

Answer to Question 1

snow, firn, glacial ice

Answer to Question 2

plastic