ESS
Grade-10
Easy
Question
The ____________ causes ocean acidification.
- CO2 dissolved in ocean water
- Sunscreen in the water
- Oceanic pollution
- Warm water
Hint:
Ocean acidification refers to a reduction in the pH of the ocean over an extended period of time, caused by primarily by uptake of carbon dioxide from the atmosphere.
The correct answer is: CO2 dissolved in ocean water
The CO2 dissolved in the ocean water causes ocean acidification.
Water and carbon dioxide combine to form carbonic acid, a weak acid that breaks into hydrogen ions and bicarbonate ions because of human-driven increased levels of carbon dioxide in the atmosphere, there is more CO2 dissolving into the ocean
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