Multiple Choice
What limits productivity in polar regions?
A) low temperatures of the surface waters
B) high density of the surface waters
C) The thermocline acts as a barrier to mixing of surface and deep waters.
D) the lack of sunlight year round
E) all of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q15: Density in seawater is determined by _.<br>A)temperature<br>B)salinity<br>C)both
Q16: The _ zone refers to areas of
Q17: Density is an important property of ocean
Q18: The proportion of dissolved substances in seawater
Q19: Major fisheries are concentrated in the neritic
Q21: photic zone intertidal zone neritic zone oceanic
Q22: Productivity is the amount of carbon fixed
Q23: _ refers to the mass of all
Q24: Seaweed (large marine algae)grows in shallow coastal
Q25: Productivity in temperate oceans is determined by