Potomac river is a river in United States of America which drains an area of about 14,700 square miles and empties into Chesapeake Bay. Washington, D.C., is the capital city of the United States, located between Virginia and Maryland on the north bank of the Potomac River.
Which is the smallest among the following water bodies?
Fresh water are not favourable for the growth of coral reefs. Coral require fairly good amount of sunlight to survive. The ideal depths for coral growth are 45 m to 55 m below sea surface, where there is abundant sunlight available. Clear salt water: Clear salt water is suitable for coral growth, while both fresh water and highly saline water are harmful.
The state of Hawaii consists of eight larger islands (seven of which are populated), also called the Main Hawaiian Islands, and 124 small, uninhabited islands, reefs and shoals, the Northwestern Hawaiian Islands, where the majority of the Hawaiian coral reef, about 70% of it, is located.