Discuss Forum
1. At least six times since the end of the last ice age, the Mississippi River has dramatically altered its course.
- A. Constant
- B. Constant
- C. Constant
- D. Constant
Answer: Option C
Explanation:
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1. At least six times since the end of the last ice age, the Mississippi River has dramatically altered its course.
Answer: Option C
Explanation:
Post your comments here: