Question : Ocean acidification is the ongoing decrease in the pH of the Earth's oceans, caused by the uptake of __________from the atmosphere.
Option 1: methane
Option 2: carbon dioxide
Option 3: nitrogen
Option 4: argon
Correct Answer: carbon dioxide
Solution : The correct option is carbon dioxide.
Ocean acidification is the global drop in seawater pH caused by the oceans absorbing significant amounts of carbon dioxide (CO 2 ). The primary cause of ocean acidification is the massive amounts of CO 2 that automobiles, industries, and agricultural activities release into the sky. The oceans have absorbed between one-third and half of the CO 2 that humans have produced into the atmosphere since the start of the Industrial Revolution, which was around 1750.
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