Earth science Which accurately describes coral reefs? Select the three correct answers. (2 points)
O Coral reefs often are located in nutrient-rich waters.
Coral reef ecosystems are among the most biodiverse on Earth
Coral reefs are sturdy structures that can exist for thousands of years.
Coral reefs are delicate structures that usually exist for less than 10 years
Coral reef ecosystems have low biodiversity
Coral reefs often are located in nutrient-poor waters.