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by BlastRoom
Ocean Warming and Acidification for high school Environmental Science, on-level and AP. Covers AP Environmental Science Unit 9: Global Change.
#environmental_science
25 questions
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When fossil-fuel CO₂ dissolves in seawater, which change begins ocean acidification?
A coastal monitoring station records rising dissolved CO₂. Which ion becomes more abundant as carbonic acid breaks apart?
Why does adding atmospheric CO₂ to seawater lower its pH?
In acidifying seawater, excess H⁺ reacts with carbonate ions. What is the direct result?
Use the graph. What trend in surface seawater is shown from 2000 to 2020?
Seawater is still usually basic, yet scientists call its pH decline “acidification.” What does that term mean?
A water sample changes from pH 8.15 to pH 8.05 after absorbing CO₂. Which conclusion is supported?
Which marine organism is affected most directly when carbonate ions become scarce?
Why can ocean acidification slow shell growth in clams and scallops?
A hatchery observes thinner oyster shells during periods of low carbonate availability. Which process is most directly impaired?
Pteropods are planktonic snails eaten by fish and whales. If acidification reduces pteropod survival, what is a likely food-web effect?
A reef's coral skeletons grow more slowly as carbonate ions decline. Which human benefit is most directly at risk if reef structure deteriorates?
Use the hatchery table. Which result best supports the prediction that lower pH can hinder oyster shell growth?
When seawater becomes undersaturated with calcium carbonate minerals, what becomes more likely for an exposed shell?
Why can acidification affect coastal economies as well as marine organisms?
A reef experiences warmer water and lower pH. Which change most directly causes coral bleaching itself?
As ocean water warms, what happens to its capacity to hold dissolved oxygen?
Warmer, less-dense surface water strengthens stratification. What is a likely consequence for phytoplankton in many low- and mid-latitude waters?
Which effect results from ocean warming rather than from the carbonate chemistry of acidification?
Use the experiment table. Which comparison isolates the effect of higher temperature on coral bleaching while holding pH constant at the baseline (non-acidified) level?
Why has ocean heat uptake reduced the amount of atmospheric warming observed so far?
When the ocean absorbs human-produced CO₂, which paired outcome occurs?
How do ocean currents help regulate climate?
A coastal city has cooler summers and milder winters than an inland city at the same latitude. Which ocean property helps explain this pattern?
Why can heat absorbed by the ocean continue affecting the climate for decades?
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Global Climate Agreements
20 questions
