Which of the following is a consequence of ocean acidification? Question 19 options:

A) Shorebird eggs are weakened and break more easily.

B) Swimmers may experience skin irritation from the acidified water.

C) Carbonate (CO32–) accumulates to increase the pH of the water.

D) Marine organisms that use carbonate (CO32–) as a building block to make calcified shelters are threatened.

answer: - few nutrients

high pressure

low temperatures

explanation: 1. few nutrients:   open-ocean zone is located way far from the land, which is the main source of the essential nutrients.2. high pressure: pressure increases by 1 atmosphere for every 10 meters increase in depth.3. ample sunlight: a large fraction of the sunlight is reflected back to the atmosphere from the sea surface. 4. varying salinity: below the thermocline, the water is isolated from the atmosphere so the salinity remains stable over the year.5. low temperatures:   the temperature of open-ocean zone ranges from a low of -2°c to an average of 17°c