The acidification of oceans is increasing Why is this phenomenon a cause of concern The growth and s...........

Geography World - Water Bodies

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The acidification of oceans is increasing. Why is this phenomenon a cause of concern?

The growth and survival of calcareous phytoplankton will be adversely affected
The growth and survival of coral reefs will be adversely affected
The survival of some animals that have phytoplankton larvae will be adversely affected
The cloud seeding and formation of clouds will be adversely affected

Which of the statements are correct?

1, 2 and 3 only

2 only

1 and 3 only

1, 2, 3 and 4

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Explanation:

Ocean acidification is mainly caused by carbon dioxide gas in the atmosphere dissolving into the ocean. This leads to a lowering of the water's pH, making the ocean more acidic.

Ocean acidification reduces the amount of carbonate, a key building block in seawater. This makes it more difficult for marine organisms, such as coral and some plankton, to form their shells and skeletons, and existing shells may begin to dissolve.

The impacts of ocean acidification are not uniform across all species. Some algae and seagrass may benefit from higher CO₂concentrations in the ocean, as they may increase their photosynthetic and growth rates. However, a more acidic environment will harm other marine species such as molluscs, corals and some varieties of plankton.

The implications of ocean acidification for human society could include substantial revenue declines, loss of employment and livelihoods, and other indirect economic costs eg: food, tourism, protection of coast, carbon storage and climate regulation