Identify the correct statements with reference to temperature and salinity of the oceans.

A. The oceans in the Northern Hemisphere are slightly cooler 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 areas 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: