_The layer of ocean water between the depth zone of 300 m- 1000 m characterized by sharp change of temperature in the vertical section of sea water is called:$?

_The layer of ocean water between the depth zone of 300 m- 1000 m char

1.	_The layer of ocean water between the depth zone of 300 m- 1000 m characterized by sharp change of temperature in the vertical section of sea water is called:$?
A.	Isoline
B.	Insiline
C.	Thermoarea
D.	Thermocline
Answer» E.