Which of the following best describes the term glacial drift?
A)floating of icebergs southward from the north polar seas
B)slow, plastic flow in the brittle zone of a glacier
C)the sedimentary deposits of outwash and till
D)the slow, southward advance of the continental ice sheets over Canada and North America during the Pleistocene

Question

Quizplus · Accepted Answer

Glacial drift refers to the sedimentary deposits of outwash and till that are left behind by glaciers as they move and melt.

Answer: D 
 While glacial drift can also refer to the movement and flow of glaciers, the context of this question suggests that the correct answer is D, as it specifically mentions the slow, southward advance of continental ice sheets during the Pleistocene era.

Which of the Following Best Describes the Term Glacial Drift