Sentence 1: The valleys are shaped by three mountain ranges : the Alaska Range , the Chugach Mountains and the Talkeetna Mountains . The Matanuska-Susitna Valley was carved by glaciers
Sentence 2: The valleys are shaped by three mountain ranges : the Alaska Range , the Chugach Mountains and the Talkeetna Mountains . The Matanuska-Susitna Valley has been carved by glaciers .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?