What do people mean when they say “Niagara Falls will erode all the way to Lake Erie”?

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I know that eventually the falls will go all the way back to Lake Erie, but all the articles I’ve read say that it will cease to exist, surely that’s not possible? The elevation differential won’t just disappear, right? There will still be a falls so water can get down from Lake Erie into Ontario?

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Anonymous 0 Comments

There will still be the level difference but it depends on the underlying rocks whether it’s still just one drop. It could break up into several miles of cascades, each only a few feet of height difference.

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