Identify the correct statements with reference to temperature and salinity of the oceans.
A. The oceans in the Northern Hemisphere are slightly collar than those in the Southern Hemisphere.
B. The annual range of temperature in the Atlantic Ocean is larger than in the Pacific Ocean. 
C. The area of highest salinity in the open oceans are associated with sub-tropical high pressure area.
D. The high salinity of Black Sea is due to influx of large volumes of water by rivers.
Choose the most appropriate answer from the options given below:

Correct option is C

The annual range of temperature in the Atlantic Ocean is larger than in the Pacific Ocean: Correct. The Atlantic Ocean has a greater range of temperature due to the influence of cold currents in the north and warm currents in the south, as well as the varying climate zones it spans.
The area of highest salinity in the open oceans is associated with sub-tropical high-pressure areas: Correct. The highest salinity in the open oceans is typically found in the sub-tropical high-pressure belts, where evaporation exceeds precipitation.
  Information Booster:
· Salinity in the oceans is influenced by factors like evaporation, precipitation, freshwater input from rivers, and ocean currents. High salinity regions are often found in sub-tropical high-pressure zones due to high evaporation and low rainfall.
· Temperature variations in oceans are affected by latitude, ocean currents, and proximity to landmasses. The Atlantic Ocean has a higher temperature range due to more landmasses, which increase temperature fluctuations.
Additional knowledge:
The oceans in the Northern Hemisphere are slightly cooler than those in the Southern Hemisphere: Incorrect. Generally, the Southern Hemisphere oceans are cooler than the Northern Hemisphere due to greater water coverage and the moderating effect of the oceans in the south.
The high salinity of the Black Sea is due to the influx of large volumes of water by rivers: Incorrect. The Black Sea actually has low salinity, primarily due to the large freshwater input from rivers like the Danube, Dniester, and others.