Answer:
1. Maintain the health of coastal fisheries and waters. are a buffer between land and sea – protecting the land from storms and floods and protecting the sea from sediments and pollutants from the land. have commercial value to fishing industries. are ideal places for boats and ships to come in to land.
2. Without reefs, billions of sea life species would suffer, millions of people would lose their most significant food source, and economies would take a major hit. But it's not just about the jobs. Coral reefs attract tourists to more than 100 countries and territories worldwide.
