Multiple Choice
What is the origin of smooth troughs cutting across the landscape in the Great Lakes area?
A) The areas were covered by soft marine sediments.
B) A huge flood coming from Iowa flowed toward the Great Lakes.
C) Glaciers carved out the smooth troughs.
D) All of these are correct.
Correct Answer:

Verified
Correct Answer:
Verified
Q29: What happens to snowflakes as they become
Q30: What happens to different isotopes of oxygen
Q31: How does a crevasse form?<br>A)A glacier moves
Q32: What is the feature numbered 2 in
Q33: Which feature on this diagram is a
Q34: What is the relationship between plucking and
Q35: The feature in the photograph below is
Q36: What is this bowl-shaped,glacially carved feature? <img
Q37: What is one of the most important
Q38: In the map below,the two ice sheets