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Word |
# |
Date |
Definition |
Site |
Level |
| coral reef |
1 |
today |
a structure that rises up from the bottom of the sea and is made up of the hard skeletons of tiny sea animals called corals. Coral reefs are found in warm, shallow sea waters around the world. The largest system of coral reefs is found in the Coral Sea off the northeastern coast of Australia. |
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