A massive ice sheet once covered much of Canada and the northern U.S., causing land shifts as it melted. New research shows this melting impacts today’s sea levels by causing sinking in some regions and rising in others. Imagine that a massive ice sheet covered Canada and oozed down over a large part of the [...] Why Is the Eastern U.S. Sinking? The Answer Lies in an Ice Sheet From 19,000 Years Ago
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7 A massive ice sheet once covered much of Canada and the northern U.S., causing land shifts as it melted. New research shows this melting impacts today’s sea levels by causing sinking in some regions and rising in others. Imagine that a massive ice sheet covered Canada and oozed down over a large part of the [...] 
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