Question

The southernmost point to which glaciers advanced in North America is marked by the path(s) of the ____. Question 20 options: Ohio River and the Missouri River Missouri River Ohio River and the Mississippi River Mississippi River

Answer 1

Answer:

Option A,  Ohio River and the Missouri River

Explanation:

The historical evidences clearly indicate that Ohio River did not exist before the last ice advances. Before Ohio and Missouri river, the major glacier drainage of the east-west direction happens in Teays River. When ice of the glaciers blocked the Teaya river valley, then the Ohio was formed.

Like Ohio, Missouri river did also not exist before Pleistocene and during that time the largest drainage in North America take place in the Hudson's Bay

Hence, option A is correct