Question

Saving the Coral Reef article in achieve 3000
Which sentence from the article best supports the idea that acidity harms coral reefs?

Rising ocean acidity stems from burning fossil fuels like gasoline.
This process emits the gas carbon dioxide into the atmosphere.
Carbon dioxide and seawater react to produce an acid, which increases ocean acidity.
Acidic seawater dissolves calcium carbonate polyps use to produce new skeletal shells.

Answer 1

"Acidic seawater dissolves calcium carbonate polyps use to produce new skeletal shells."

This directly shows how increased acidity damages corals by dissolving the material they need to build and repair their skeletons.