Answer:
Increasingly acidic ocean water makes building shells more difficult.
Explanation:
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Answer:
The correct answer is the third statement.
Explanation:
About one-fourth of the carbon dioxide discharged by burning oil, coal, and natural gas does not remain in the air, it gets dissolved into the water body like oceans. With this amount of carbon dioxide getting dissolved in the ocean, the water turns more acidic and the pH of the oceans decreases.
This results in a quick variation in the chemistry of the oceans, which further affects the marine life that had evolved over many years with a stable pH, and thus, would require much more time to amend. However, due to this some of the species shells have even started to dissolve in the more acidic environment, and it is one of the ways that acidification is affecting life in oceans. The phenomenon is termed ocean acidification. Hence, it can be said that increasing acidity of ocean water is making formation of shells tougher.
