Answer:
Coral reefs are facing many threats such as physical damage, pollution that originates on land, overfishing, coral harvesting, etc
Explanation:
I looked it up on the web, you'll find more of the threats that coral reefs face if you search it up.
A Sun dance is a very important ritual
Because of the rapid changing water levels the plant life on the shores are drowning out so they can not grow.
Hope this help. :D