The Surface Mixed Zone Is Characterized by ________

The surface mixed zone is characterized by ________.

A) nearly constant temperatures to a depth of about 300 meters
B) a rapid change from warm temperatures on top to cold temperatures at a depth of about 300 meters
C) high density water near the surface that rapidly decreases in density with depth
D) low density water near the surface that rapidly increases in density with depth
E) a mixture of temperatures and densities to a depth of about 300 to 450 meters depth.