Marine Environments. Why is the water below foaming?. Sandy Coasts. Very unstable, sands constantly shift and move. This is a harsh, unstable environment. The surf zone is constantly moving up and down with the tide, and attracts a large number of fish and diving birds.
Why is the water below foaming?
Read in the Text on Marine Environments pages 74-82.
Answer questions on page 82, #1-3.