The fine-, clay-, and silt-sized particles that result from glacial pulverization of rock are known ...

The fine-, clay-, and silt-sized particles that result from glacial pulverization of rock are known as
  ____________________. Fill in the blank(s) with the appropriate word(s).

The presence of ____________________ in the upper 40 m or so of a glacier indicates that this portion
  behaves not as a plastic but as a(n) ____________________ solid. Fill in the blank(s) with the appropriate word(s).

The zone of wastage is the portion of a glacier where ____________________ exceed
  ____________________. Fill in the blank(s) with the appropriate word(s).