It is TRUE that coral reefs form when a<span> structure of calcite skeletons built up by coral animals in warm, shallow ocean water. </span>To form their skeletons, coral animals absorb the element calcium from the ocean water. The calcium is then combined with carbon and oxygen to form calcite (calcite is a mineral). When coral animals die, their skeletons remain. More corals build on top of them, gradually forming a coral reef.
<span> the water compound of </span><span>H2O</span><span>. hope this helps </span>
The answer to your question is inferior
