What describes St. Lawrence River is that its carries the water eastward for 750 miles until it empties into the Atlantic Ocean.
The St. Lawrence river is a natural features in U.S. that connects to the Atlantic Ocean.
Hence, the statement that describes St. Lawrence River is that its carries the water eastward for 750 miles until it empties into the Atlantic Ocean.
Therefore, the Option D is correct.
Read more about St. Lawrence River
brainly.com/question/1845378