Question

How does more atmospheric CO2 damage coral reefs?A. More CO2 is actually good for the coral reefs B. The acidity of the ocean increases, which weakens and eventually kills corals C. The o wan becomes polluted blocking out the sunlight D. The ocean absorbs the CO2, killing the zooxanthellae

Answer 1

The atmospheric carbon dioxide is absorbed by the oceans, causing an acidification process. This process prevent the formation of calcium carbonate structures such as shells and external squeletons, like the ones that the corals have. (Option B is correct).