Answer:
They are home to many species of fish and Marine invertebrates.
Explanation:
Coral reef refers to large underwater ecosystem which comprises of dead and living corals.
Coral reef is made up of calcium carbonate.
They serve as habitat or home for Marine animals.
They are the source of nitrogen and essential nutrients for Marine animals.
Answer:
Most people were either doing they’re daily jobs and going to school, or traveling.
Explanation:
Not really sure but I think is that rodents mate randomly but wait for someone else to answer cause I’m not 100% sure